/* BOF Federn-Suchformular */

//-- Wert in Hiddenfield schreiben, wenn Javascript aktiv ist
window.onload = function javascriptIsActive()
{
	if ($('javascriptIsActive')) $('javascriptIsActive').value = 1;
}


//- Fehlerboxen ausblenden
function nf_hideErrorBoxes()
{
	var boxes = Array();
	boxes = getElementsByClass('errorwrap');
	for(var i = 0; i < boxes.length; i++)
	{
		boxes[i].style.display = 'none';
	}
}


//-- Erlaubt sind nur Zahlen, "," und "."
function nf_onlyNumbers(el) {
  var val = el.value.replace(/[^\.^,\d]/g, '');
  el.value = val;
}

//-- Erlaubt sind nur Zahlen, "," und "." - Feldlänge 7 mit Punkt oder Komme - Feldlänge 4 ohne Punkt oder Komma
function nf_onlySevenNumbers(el) {
  var val = el.value.replace(/[^\.^,\d]/g, '');
  if (val.indexOf(",")>0 || val.indexOf(".")>0) val=val.substr(0,7);
  else val=val.substr(0,4);
  el.value = val;
}

//-- Erlaubt sind nur Zahlen, "," und "." - Feldlänge 6 mit Punkt oder Komme - Feldlänge 3 ohne Punkt oder Komma
function nf_onlySixNumbers(el) {
  var val = el.value.replace(/[^\.^,\d]/g, '');
  if (val.indexOf(",")>0 || val.indexOf(".")>0) val=val.substr(0,6);
  else val=val.substr(0,3);
  el.value = val;
}

//-- Felder auf inaktiv setzen
function nf_disEnableField(disableIds, enableIds)
{
	var obj_dElm_1 = $(disableIds[0]);
	var obj_dElm_2 = $(disableIds[1]);
	var obj_eElm_1 = $(enableIds[0]);
	var obj_eElm_2 = $(enableIds[1]);

	if(obj_eElm_1.value != '' || obj_eElm_2.value !='')
	{
		obj_dElm_1.disabled = true;
		obj_dElm_1.value = '';
		//obj_dElm_1.className = 'text inactive';
		obj_dElm_1.style.background = '#e3e3e3';
		obj_dElm_2.disabled = true;
		obj_dElm_2.value = '';
		//obj_dElm_2.className = 'text inactive';
		obj_dElm_2.style.background = '#e3e3e3';
	}
	else
	{
		obj_dElm_1.disabled = false;
		//obj_dElm_1.className = 'text';
		obj_dElm_1.style.background = '#fff';
		obj_dElm_2.disabled = false;
		//obj_dElm_2.className = 'text';
		obj_dElm_2.style.background = '#fff';
	}
}


//--
function nf_checkSearch(formname)
{
	var formCheck = true;
	var defaultValue = 999.99;
	var wrap_error_global = $('wrap_error_global');

	nf_hideErrorBoxes();

	switch(formname)
	{
		//---------------------------------------------------------//

		//---- Druckfedern
		case 'Druckfedern':

		var De_von  = str_replace(',', '.', $('De_von').value);
		var De_bis  = str_replace(',', '.', $('De_bis').value);
		var wrap_error_De = $('wrap_error_De');

		var Dh_von = str_replace(',', '.', $('Dh_von').value);
		var Dh_bis = str_replace(',', '.', $('Dh_bis').value);
		var wrap_error_Dh = $('wrap_error_Dh');

		var Dd_von = str_replace(',', '.', $('Dd_von').value);
		var Dd_bis = str_replace(',', '.', $('Dd_bis').value);
		var wrap_error_Dd = $('wrap_error_Dd');


		var Lo_von = str_replace(',', '.', $('Lo_von').value);
		var Lo_bis = str_replace(',', '.', $('Lo_bis').value);
		var wrap_error_Lo = $('wrap_error_Lo');

		var sx = str_replace(',', '.', $('sx').value);
		var wrap_error_sx = $('wrap_error_sx');

		var Lx = str_replace(',', '.', $('Lx').value);
		var wrap_error_Lx = $('wrap_error_Lx');

		var Fx_von = str_replace(',', '.', $('Fx_von').value);
		var Fx_bis = str_replace(',', '.', $('Fx_bis').value);
		var wrap_error_Fx = $('wrap_error_Fx');



		//- DE PRUEFEN
		if(!nf_isEmpty(De_von))
		{
			if(nf_isEmpty(De_bis))
			{
				De_bis = defaultValue;
				$('De_bis').value = defaultValue;
			}
			else if(parseFloat(De_von) > parseFloat(De_bis))
			{
				wrap_error_De.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_De.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(De_von) && !nf_isEmpty(De_bis))
		{
			$('De_von').value = '0';
		}



		//- DH PRUEFEN
		else if(!nf_isEmpty(Dh_von))
		{
			if(nf_isEmpty(Dh_bis))
			{
				Dh_bis = defaultValue;
				$('Dh_bis').value = defaultValue;
			}
			else if(parseFloat(Dh_von) > parseFloat(Dh_bis))
			{
				wrap_error_Dh.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_Dh.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(Dh_von) && !nf_isEmpty(Dh_bis))
		{
			$('Dh_von').value = '0';
		}



		//- Dd PRUEFEN
		if(!nf_isEmpty(Dd_von))
		{
			if(nf_isEmpty(Dd_bis))
			{
				Dd_bis = defaultValue;
				$('Dd_bis').value = defaultValue;
			}
			else if(parseFloat(Dd_von) > parseFloat(Dd_bis))
			{
				wrap_error_Dd.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_Dd.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(Dd_von) && !nf_isEmpty(Dd_bis))
		{
			$('Dd_von').value = '0';
		}



		//- LO PRUEFEN
		if(!nf_isEmpty(Lo_von))
		{
			if(nf_isEmpty(Lo_bis))
			{
				Lo_bis = '9'+defaultValue;
				$('Lo_bis').value = '9'+defaultValue;
			}
			else if(parseFloat(Lo_von) > parseFloat(Lo_bis))
			{
				wrap_error_Lo.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_Lo.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(Lo_von) && !nf_isEmpty(Lo_bis))
		{
			$('Lo_von').value = '0';
			Lo_von = '0';
		}

		//- SX PRUEFEN
		if(!nf_isEmpty(sx))
		{
			if(nf_isEmpty(sx))
			{
				sx = defaultValue;
				$('sx').value = defaultValue;
			}
		}

		//- LX PRUEFEN
		else if(!nf_isEmpty(Lx))
		{
			if(nf_isEmpty(Lx))
			{
				Lx = defaultValue;
				$('Lx').value = defaultValue;
			}
		}


		//- FX PRUEFEN
		if(!nf_isEmpty(Fx_von))
		{
			if(nf_isEmpty(Fx_bis))
			{
				Fx_bis = '9'+defaultValue;
				$('Fx_bis').value = '9'+defaultValue;
			}
			else if(parseFloat(Fx_von) > parseFloat(Fx_bis))
			{
				wrap_error_Fx.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_Fx.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(Fx_von) && !nf_isEmpty(Fx_bis))
		{
			Fx_von = '0';
			$('Fx_von').value = '0';
		}

		if ( !nf_isEmpty(Fx_von) && !nf_isEmpty(Fx_bis) && (nf_isEmpty(sx) && nf_isEmpty(Lx)) )
		{
			wrap_error_Fx.innerHTML = 'We need sx or Lx to calculate Fx!';
			wrap_error_Fx.style.display = 'block';
			formCheck = false;
		}


		//- PLAUSIBILITAET PRUEFEN (SX < LO ODER LX < LO)
		if(!nf_isEmpty(sx) && parseFloat(sx) >= parseFloat(Lo_von))
		{
						wrap_error_sx.innerHTML = '<strong>Stressed spring deflection</strong> must be less thans <strong>Unstressed length</strong>!<br />';
			wrap_error_sx.style.display = 'block';
			formCheck = false;
		}
		else if(!nf_isEmpty(Lx) && parseFloat(Lx) >= parseFloat(Lo_von))
		{
						wrap_error_Lx.innerHTML = '<strong>Stressed spring length</strong> must be less thans <strong>Unstressed length</strong>!<br />';
			wrap_error_Lx.style.display = 'block';
			formCheck = false;
		}


		//- PLAUSIBILITAET PRUEFEN (Dd von < bis De ODER Dd von < bis Dh)
		if(!nf_isEmpty(Dd_von) && !nf_isEmpty(De_bis) && parseFloat(De_bis) <= parseFloat(Dd_von))
		{
						wrap_error_Dd.innerHTML = '<strong>Arbor diameter (from)</strong> must be less thans <strong>Outer diameter (to)</strong>!<br />';
			wrap_error_Dd.style.display = 'block';
			formCheck = false;
		}
		else if(!nf_isEmpty(Dd_von) && !nf_isEmpty(Dh_bis) && parseFloat(Dh_bis) <= parseFloat(Dd_von))
		{
						wrap_error_Dh.innerHTML = '<strong>Bush diameter (from)</strong> must be less thans <strong>Outer diameter (to)</strong>!<br />';
			wrap_error_Dh.style.display = 'block';
			formCheck = false;
		}
		break;
	//--> Druckfedern

		//---------------------------------------------------------//

		//---- Werkzeugfedern
		case 'Werkzeugfedern':

		var Dh_von = str_replace(',', '.', $('Dh_von').value);
		var Dh_bis = str_replace(',', '.', $('Dh_bis').value);
		var wrap_error_Dh = $('wrap_error_Dh');

		var Dd_von = str_replace(',', '.', $('Dd_von').value);
		var Dd_bis = str_replace(',', '.', $('Dd_bis').value);
		var wrap_error_Dd = $('wrap_error_Dd');


		var Lo_von = str_replace(',', '.', $('Lo_von').value);
		var Lo_bis = str_replace(',', '.', $('Lo_bis').value);
		var wrap_error_Lo = $('wrap_error_Lo');

		var sx = str_replace(',', '.', $('sx').value);
		var wrap_error_sx = $('wrap_error_sx');

		var Lx = str_replace(',', '.', $('Lx').value);
		var wrap_error_Lx = $('wrap_error_Lx');

		var Fx_von = str_replace(',', '.', $('Fx_von').value);
		var Fx_bis = str_replace(',', '.', $('Fx_bis').value);
		var wrap_error_Fx = $('wrap_error_Fx');



		//- DH PRUEFEN
		if(!nf_isEmpty(Dh_von))
		{
			if(nf_isEmpty(Dh_bis))
			{
				Dh_bis = defaultValue;
				$('Dh_bis').value = defaultValue;
			}
			else if(parseFloat(Dh_von) > parseFloat(Dh_bis))
			{
				wrap_error_Dh.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_Dh.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(Dh_von) && !nf_isEmpty(Dh_bis))
		{
			$('Dh_von').value = '0';
		}



		//- Dd PRUEFEN
		if(!nf_isEmpty(Dd_von))
		{
			if(nf_isEmpty(Dd_bis))
			{
				Dd_bis = defaultValue;
				$('Dd_bis').value = defaultValue;
			}
			else if(parseFloat(Dd_von) > parseFloat(Dd_bis))
			{
				wrap_error_Dd.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_Dd.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(Dd_von) && !nf_isEmpty(Dd_bis))
		{
			$('Dd_von').value = '0';
		}



		//- LO PRUEFEN
		if(!nf_isEmpty(Lo_von))
		{
			if(nf_isEmpty(Lo_bis))
			{
				Lo_bis = '9'+defaultValue;
				$('Lo_bis').value = '9'+defaultValue;
			}
			else if(parseFloat(Lo_von) > parseFloat(Lo_bis))
			{
				wrap_error_Lo.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_Lo.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(Lo_von) && !nf_isEmpty(Lo_bis))
		{
			$('Lo_von').value = '0';
			Lo_von = '0';
		}

		//- SX PRUEFEN
		if(!nf_isEmpty(sx))
		{
			if(nf_isEmpty(sx))
			{
				sx = defaultValue;
				$('sx').value = defaultValue;
			}
		}

		//- LX PRUEFEN
		else if(!nf_isEmpty(Lx))
		{
			if(nf_isEmpty(Lx))
			{
				Lx = defaultValue;
				$('Lx').value = defaultValue;
			}
		}


		//- FX PRUEFEN
		if(!nf_isEmpty(Fx_von))
		{
			if(nf_isEmpty(Fx_bis))
			{
				Fx_bis = '9'+defaultValue;
				$('Fx_bis').value = '9'+defaultValue;
			}
			else if(parseFloat(Fx_von) > parseFloat(Fx_bis))
			{
				wrap_error_Fx.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_Fx.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(Fx_von) && !nf_isEmpty(Fx_bis))
		{
			Fx_von = '0';
			$('Fx_von').value = '0';
		}

		if ( !nf_isEmpty(Fx_von) && !nf_isEmpty(Fx_bis) && (nf_isEmpty(sx) && nf_isEmpty(Lx)) )
		{
			wrap_error_Fx.innerHTML = 'We need sx or Lx to calculate Fx!';
			wrap_error_Fx.style.display = 'block';
			formCheck = false;
		}

		//- PLAUSIBILITAET PRUEFEN (SX < LO ODER LX < LO)
		if(!nf_isEmpty(sx) && parseFloat(sx) >= parseFloat(Lo_von))
		{
						wrap_error_sx.innerHTML = '<strong>Stressed spring deflection</strong> must be less thans <strong>Unstressed length</strong>!<br />';
			wrap_error_sx.style.display = 'block';
			formCheck = false;
		}
		else if(!nf_isEmpty(Lx) && parseFloat(Lx) >= parseFloat(Lo_von))
		{
						wrap_error_Lx.innerHTML = '<strong>Stressed spring length</strong> must be less thans <strong>Unstressed length</strong>!<br />';
			wrap_error_Lx.style.display = 'block';
			formCheck = false;
		}
		/*
		//- PLAUSIBILITAET PRUEFEN (Dd von < bis De ODER Dd von < bis Dh)
		if(!nf_isEmpty(Dd_von) && !nf_isEmpty(De_bis) && parseFloat(De_bis) <= parseFloat(Dd_von))
		{
						wrap_error_Dd.innerHTML = '<strong>Arbor diameter (from)</strong> must be less thans <strong>Outer diameter (to)</strong>!<br />';
			wrap_error_Dd.style.display = 'block';
			formCheck = false;
		}
		else
		*/
		if(!nf_isEmpty(Dd_von) && !nf_isEmpty(Dh_bis) && parseFloat(Dh_bis) <= parseFloat(Dd_von))
		{
						wrap_error_Dh.innerHTML = '<strong>Bush diameter (from)</strong> must be less thans <strong>Outer diameter (to)</strong>!<br />';
			wrap_error_Dh.style.display = 'block';
			formCheck = false;
		}

		break;
	//--> Werkzeugfedern

		//---------------------------------------------------------//

			//---- Zugfedern
		case 'Zugfedern':

		var De_von  = str_replace(',', '.', $('De_von').value);
		var De_bis  = str_replace(',', '.', $('De_bis').value);
		var wrap_error_De = $('wrap_error_De');

		var Dh_von = str_replace(',', '.', $('Dh_von').value);
		var Dh_bis = str_replace(',', '.', $('Dh_bis').value);
		var wrap_error_Dh = $('wrap_error_Dh');

		var Fo_von = str_replace(',', '.', $('Fo_von').value);
		var Fo_bis = str_replace(',', '.', $('Fo_bis').value);
		var wrap_error_Fo = $('wrap_error_Fo');


		var Lo_von = str_replace(',', '.', $('Lo_von').value);
		var Lo_bis = str_replace(',', '.', $('Lo_bis').value);
		var wrap_error_Lo = $('wrap_error_Lo');

		var sx = str_replace(',', '.', $('sx').value);
		var wrap_error_sx = $('wrap_error_sx');


		var Lx = str_replace(',', '.', $('Lx').value);
		var wrap_error_Lx = $('wrap_error_Lx');

		var Fx_von = str_replace(',', '.', $('Fx_von').value);
		var Fx_bis = str_replace(',', '.', $('Fx_bis').value);
		var wrap_error_Fx = $('wrap_error_Fx');





		//- DE PRUEFEN
		if(!nf_isEmpty(De_von))
		{
			if(nf_isEmpty(De_bis))
			{
				De_bis = defaultValue;
				$('De_bis').value = defaultValue;
			}
			else if(parseFloat(De_von) > parseFloat(De_bis))
			{
				wrap_error_De.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_De.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(De_von) && !nf_isEmpty(De_bis))
		{
			$('De_von').value = '0';
		}



		//- DH PRUEFEN
		else if(!nf_isEmpty(Dh_von))
		{
			if(nf_isEmpty(Dh_bis))
			{
				Dh_bis = defaultValue;
				$('Dh_bis').value = defaultValue;
			}
			else if(parseFloat(Dh_von) > parseFloat(Dh_bis))
			{
				wrap_error_Dh.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_Dh.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(Dh_von) && !nf_isEmpty(Dh_bis))
		{
			$('Dh_von').value = '0';
		}



		//- FO PRUEFEN
		if(!nf_isEmpty(Fo_von))
		{
			if(nf_isEmpty(Fo_bis))
			{
				Fo_bis = defaultValue;
				$('Fo_bis').value = defaultValue;
			}
			else if(parseFloat(Fo_von) > parseFloat(Fo_bis))
			{
				wrap_error_Fo.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_Fo.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(Fo_von) && !nf_isEmpty(Fo_bis))
		{
			$('Fo_von').value = '0';
		}


		//- LO PRUEFEN
		if(!nf_isEmpty(Lo_von))
		{
			if(nf_isEmpty(Lo_bis))
			{
				Lo_bis = '9'+defaultValue;
				$('Lo_bis').value = '9'+defaultValue;
			}
			else if(parseFloat(Lo_von) > parseFloat(Lo_bis))
			{
				wrap_error_Lo.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_Lo.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(Lo_von) && !nf_isEmpty(Lo_bis))
		{
			$('Lo_von').value = '0';
			Lo_von = '0';
		}

		//- SX PRUEFEN
		if(!nf_isEmpty(sx))
		{
			if(nf_isEmpty(sx))
			{
				sx = defaultValue;
				$('sx').value = defaultValue;
			}
		}

		//- LX PRUEFEN
		else if(!nf_isEmpty(Lx))
		{
			if(nf_isEmpty(Lx))
			{
				Lx = defaultValue;
				$('Lx').value = defaultValue;
			}
		}


		//- FX PRUEFEN
		if(!nf_isEmpty(Fx_von))
		{
			if(nf_isEmpty(Fx_bis))
			{
				Fx_bis = '9'+defaultValue;
				$('Fx_bis').value = '9'+defaultValue;
			}
			else if(parseFloat(Fx_von) > parseFloat(Fx_bis))
			{
				wrap_error_Fx.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_Fx.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(Fx_von) && !nf_isEmpty(Fx_bis))
		{
			Fx_von = '0';
			$('Fx_von').value = '0';
		}

		if ( !nf_isEmpty(Fx_von) && !nf_isEmpty(Fx_bis) && (nf_isEmpty(sx) && nf_isEmpty(Lx)) )
		{
			wrap_error_Fx.innerHTML = 'We need sx or Lx to calculate Fx!';
			wrap_error_Fx.style.display = 'block';
			formCheck = false;
		}


		//- PLAUSIBILITAET PRUEFEN (SX < LO ODER LX < LO)
		if(!nf_isEmpty(sx) && parseFloat(sx) >= parseFloat(Lo_von))
		{
						wrap_error_sx.innerHTML = '<strong>Stressed spring deflection</strong> must be less thans <strong>Unstressed length</strong>!<br />';
			wrap_error_sx.style.display = 'block';
			formCheck = false;
		}
		else if(!nf_isEmpty(Lx) && parseFloat(Lx) <= parseFloat(Lo_von))
		{
						wrap_error_Lx.innerHTML = '<strong>Stressed spring length</strong> must be greater than <strong>Unstressed length</strong>!<br />';
			wrap_error_Lx.style.display = 'block';
			formCheck = false;
		}


		//- PLAUSIBILITAET PRUEFEN (Fx > F0)
		if(!nf_isEmpty(Fx_von) && parseFloat(Fx_von) <= parseFloat(Fo_von))
		{
						wrap_error_Fo.innerHTML = '<strong>Stressed spring force for sx/Lx</strong> must be greater than <strong>Initial tension von</strong>!<br />';
			wrap_error_Fo.style.display = 'block';
			formCheck = false;
		}

		break;
	//--> Zugfedern

	//---------------------------------------------------------//

			//---- Schenkelfedern
		case 'Schenkelfedern':

		var Dd_von  = str_replace(',', '.', $('Dd_von').value);
		var Dd_bis  = str_replace(',', '.', $('Dd_bis').value);
		var wrap_error_Dd = $('wrap_error_Dd');

		var Mn_von = str_replace(',', '.', $('Mn_von').value);
		var Mn_bis = str_replace(',', '.', $('Mn_bis').value);
		var wrap_error_Mn = $('wrap_error_Mn');

		//- Dd PRUEFEN
		if(!nf_isEmpty(Dd_von))
		{
			if(nf_isEmpty(Dd_bis))
			{
				Dd_bis = defaultValue;
				$('Dd_bis').value = defaultValue;
			}
			else if(parseFloat(Dd_von) > parseFloat(Dd_bis))
			{
				wrap_error_Dd.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_Dd.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(Dd_von) && !nf_isEmpty(Dd_bis))
		{
			$('Dd_von').value = '0';
		}

		//- MN PRUEFEN
		if(!nf_isEmpty(Mn_von))
		{
			if(nf_isEmpty(Mn_bis))
			{
				Mn_bis = defaultValue;
				$('Mn_bis').value = '9' + defaultValue;
			}
			else if(parseFloat(Mn_von) > parseFloat(Mn_bis))
			{
				wrap_error_Mn.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_Mn.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(Mn_von) && !nf_isEmpty(Mn_bis))
		{
			$('Dd_von').value = '0';
		}


		break;
	//--> Schenkelfedern



	//---------------------------------------------------------//

		//---- Druckfedernstraenge
		case 'Druckfedernstraenge':

		var De_von  = str_replace(',', '.', $('De_von').value);
		var De_bis  = str_replace(',', '.', $('De_bis').value);
		var wrap_error_De = $('wrap_error_De');

		var d_von = str_replace(',', '.', $('d_von').value);
		var d_bis = str_replace(',', '.', $('d_bis').value);
		var wrap_error_d = $('wrap_error_d');

		var Fn_von = str_replace(',', '.', $('Fn_von').value);
		var Fn_bis = str_replace(',', '.', $('Fn_bis').value);
		var wrap_error_Fn = $('wrap_error_Fn');

		//- De PRUEFEN
		if(!nf_isEmpty(De_von))
		{
			if(nf_isEmpty(De_bis))
			{
				De_bis = defaultValue;
				$('De_bis').value = defaultValue;
			}
			else if(parseFloat(De_von) > parseFloat(De_bis))
			{
				wrap_error_De.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_De.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(De_von) && !nf_isEmpty(De_bis))
		{
			$('De_von').value = '0';
		}

		//- d PRUEFEN
		if(!nf_isEmpty(d_von))
		{
			if(nf_isEmpty(d_bis))
			{
				d_bis = defaultValue;
				$('d_bis').value = defaultValue;
			}
			else if(parseFloat(d_von) > parseFloat(d_bis))
			{
				wrap_error_d.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_d.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(d_von) && !nf_isEmpty(d_bis))
		{
			$('d_von').value = '0';
		}

		//- Fn PRUEFEN
		if(!nf_isEmpty(Fn_von))
		{
			if(nf_isEmpty(Fn_bis))
			{
				Fn_bis = defaultValue;
				$('Fn_bis').value = '9' + defaultValue;
			}
			else if(parseFloat(Fn_von) > parseFloat(Fn_bis))
			{
				wrap_error_Fn.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_Fn.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(Fn_von) && !nf_isEmpty(Fn_bis))
		{
			$('Fn_von').value = '0';
		}

		break;
	//--> Druckfedernstraenge



	//---------------------------------------------------------//

			//---- Zugfedernstraenge
		case 'Zugfedernstraenge':

		var De_von  = str_replace(',', '.', $('De_von').value);
		var De_bis  = str_replace(',', '.', $('De_bis').value);
		var wrap_error_De = $('wrap_error_De');

		var d_von = str_replace(',', '.', $('d_von').value);
		var d_bis = str_replace(',', '.', $('d_bis').value);
		var wrap_error_d = $('wrap_error_d');

		var Fo_von = str_replace(',', '.', $('Fo_von').value);
		var Fo_bis = str_replace(',', '.', $('Fo_bis').value);
		var wrap_error_Fo = $('wrap_error_Fo');

		var Fn_von = str_replace(',', '.', $('Fn_von').value);
		var Fn_bis = str_replace(',', '.', $('Fn_bis').value);
		var wrap_error_Fn = $('wrap_error_Fn');

		//- De PRUEFEN
		if(!nf_isEmpty(De_von))
		{
			if(nf_isEmpty(De_bis))
			{
				De_bis = defaultValue;
				$('De_bis').value = defaultValue;
			}
			else if(parseFloat(De_von) > parseFloat(De_bis))
			{
				wrap_error_De.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_De.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(De_von) && !nf_isEmpty(De_bis))
		{
			$('De_von').value = '0';
		}

		//- d PRUEFEN
		if(!nf_isEmpty(d_von))
		{
			if(nf_isEmpty(d_bis))
			{
				d_bis = defaultValue;
				$('d_bis').value = defaultValue;
			}
			else if(parseFloat(d_von) > parseFloat(d_bis))
			{
				wrap_error_d.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_d.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(d_von) && !nf_isEmpty(d_bis))
		{
			$('d_von').value = '0';
		}

		//- Fo PRUEFEN
		if(!nf_isEmpty(Fo_von))
		{
			if(nf_isEmpty(Fo_bis))
			{
				Fo_bis = defaultValue;
				$('Fo_bis').value = defaultValue;
			}
			else if(parseFloat(Fo_von) > parseFloat(Fo_bis))
			{
				wrap_error_Fo.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_Fo.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(Fo_von) && !nf_isEmpty(Fo_bis))
		{
			$('Fo_von').value = '0';
		}

		//- Fn PRUEFEN
		if(!nf_isEmpty(Fn_von))
		{
			if(nf_isEmpty(Fn_bis))
			{
				Fn_bis = defaultValue;
				$('Fn_bis').value = '9'+defaultValue;
			}
			else if(parseFloat(Fn_von) > parseFloat(Fn_bis))
			{
				wrap_error_Fn.innerHTML = 'The from value must not be greater than the tovalue!';
				wrap_error_Fn.style.display = 'block';
				formCheck = false;
			}
		}
		else if(nf_isEmpty(Fn_von) && !nf_isEmpty(Fn_bis))
		{
			$('Fn_von').value = '0';
		}


		//- PLAUSIBILITAET PRUEFEN (Fn von > F0 von)
		if(!nf_isEmpty(Fn_von) && !nf_isEmpty(Fo_von) && parseFloat(Fn_von) <= parseFloat(Fo_von))
		{
						wrap_error_Fo.innerHTML = '<strong>Max. force</strong> must be greater than <strong>Initial tension von</strong>!<br />';
			wrap_error_Fo.style.display = 'block';
			formCheck = false;
		}

		break;
	//--> Zugfedernstraenge



	//---------------------------------------------------------//

			//---- Federstecker
		case 'Federstecker':
		break;
	//--> Federstecker



	//---------------------------------------------------------//

			//---- Sprengringe_Bohrung_DIN_7993
		case 'Sprengringe_Bohrung_DIN_7993':
		break;
	//--> Sprengringe_Bohrung_DIN_7993



	//---------------------------------------------------------//

			//---- Sprengringe_Welle_DIN_7993
		case 'Sprengringe_Welle_DIN_7993':
		break;
	//--> Sprengringe_Welle_DIN_7993



	//---------------------------------------------------------//

			//---- Sicherungsringe_Welle_DIN_471
		case 'Sicherungsringe_Welle_DIN_471':
		break;
	//--> Sicherungsringe_Welle_DIN_471



	//---------------------------------------------------------//

			//---- Sicherungsringe_Bohrung_DIN_472
		case 'Sicherungsringe_Bohrung_DIN_472':
		break;
	//--> Sicherungsringe_Bohrung_DIN_472


	//---------------------------------------------------------//

	} //- Switchcase Ende
	return formCheck;
}




//-- Funktionen

//-
function nf_isEmpty(fieldvalue) {

	//alert(fieldvalue);

	if(fieldvalue.length < 1 )
	{
		return true;
	}
	return false;
}
//-
function nf_isNumeric(fieldvalue) {
	var ValidChars = "0123456789.,";
	var IsNumber = true;
	var Char;

	for (var i = 0; i < fieldvalue.length && IsNumber == true; i++)	{
		Char = fieldvalue.charAt(i);
		if (ValidChars.indexOf(Char) == -1) {
			IsNumber = false;
		}
	}
	return IsNumber;
}
/* EOF Federn-Suchformular */






//-- $() getElementById
function $(id) {
	return document.getElementById(id);
}


function str_replace(search, replace, subject) {
    return subject.split(search).join(replace);
}


//- getElementsByClass
function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp('(^|\\s)'+searchClass+'(\\s|$)');
	for (var i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}


//- jumpTo
function jumpTo(selectId)
{
	var gotoUrl = selectId.value;

	if(gotoUrl != '')
	{
		location = gotoUrl;
	}
}

// jumpMenue
function jumpMenue(param, href)
{
	location = href + param;
}

// Sonderanfragen freie Eingabe Ösenstellgrad
function srCheckOsg($element) {
	if ($element.options[$element.selectedIndex].value == 'Sonstiger' || $element.options[$element.selectedIndex].value == 'Other loop position') document.getElementById('Osgf').disabled = false;
	else {
		document.getElementById('Osgf').value = '';
		document.getElementById('Osgf').disabled = true;
	}
}

// Sonderanfragen freie Eingabe Werkstoff
function srCheckWst($element) {
	if ($element.options[$element.selectedIndex].value == 'Sonstiger') document.getElementById('Wstf').disabled = false;
	else {
		document.getElementById('Wstf').value = '';
		document.getElementById('Wstf').disabled = true;
	}
}

// Sonderanfragen freie Eingabe Oberfläche
function srCheckOfl($element) {
	if ($element.options[$element.selectedIndex].value == 'Sonstige' || $element.options[$element.selectedIndex].value == 'Other surfaces') document.getElementById('Oflf').disabled = false;
	else {
		document.getElementById('Oflf').value = '';
		document.getElementById('Oflf').disabled = true;
	}
}

// Sonderanfragen freie Eingabe Schenkelstellung
function srCheckSst($element) {
	if ($element.options[$element.selectedIndex].value == 'Sonstige' || $element.options[$element.selectedIndex].value == 'Other leg position') document.getElementById('Scsf').disabled = false;
	else {
		document.getElementById('Scsf').value = '';
		document.getElementById('Scsf').disabled = true;
	}
}

function clean_form(formulaname, lang){
 	var sna = (lang == 'english') ? 'Search by product number' : 'Suche nach Artikelnummer';
	for (i=0; i < (formulaname.elements.length); i++){
	  if (formulaname.elements[i].type == 'text'){
		formulaname.elements[i].value = "";
	  }
	  else if(formulaname.elements[i].type == 'checkbox'){
		formulaname.elements[i].checked = false;
	  }
	  else if(formulaname.elements[i].type.indexOf('select') > -1){
		formulaname.elements[i].value = "";
	  }
	}

	if(document.getElementById('artikelnummer') != null){
		document.getElementById('artikelnummer').value = sna;
	}
}