function onSubmit()
{
	 if (document.Enquiry.CompanyName.value  == "")
	{
		alert("Please enter your CompanyName.");
		document.Enquiry.CompanyName.focus()
		return false;
	}
	if (document.Enquiry.contact_person.value  == "")
	{
		alert("Please enter your name.");
		document.Enquiry.contact_person.focus()
		return false;
	}
	
	if (document.Enquiry.Address.value  == "")
	{
		alert("Please enter your Address.");
		document.Enquiry.Address.focus()
		return false;
	}
	if (document.Enquiry.telNo.value  == "")
	{
		alert("Please enter Telephone Number.");
		document.Enquiry.telNo.focus()
		return false;
	}
	if (document.Enquiry.telNo.value!="")
	{
		var tel= parseInt(document.Enquiry.telNo.value); 
			if (isNaN(tel)) 
				{  
				alert("Enter Telephone Number Correctly");
				document.Enquiry.telNo.focus();
				return false;
				} 
	}
	if (document.Enquiry.from.value  == "")
	{
		alert("Please enter Email Address .");
		document.Enquiry.from.focus()
		return false;
	}
	var tempEmail= document.Enquiry.from.value;
	var exclude=/[^@\-\.\w]|^[_@\.\-]|[\._\-]{2}|[@\.]{2}|(@)[^@]*\1/;
	var check=/@[\w\-]+\./;
	var checkend=/\.[a-zA-Z]{2,3}$/;
	if (document.Enquiry.from.value!="")
	{
	  if (tempEmail.search(exclude)!=-1||tempEmail.search(check)==-1||tempEmail.search(checkend)==-1)
	  {
		alert("Can you check your Email Address again?");
		document.Enquiry.from.focus();
		return false;
	  }
	}
}

  function changevalveType() {
	  
	

  var Primary = document.Enquiry.country.selectedIndex;
  

  if ((Primary == null) || (Primary == 0)) return;

  if (Primary == 1) {

   var x=document.Enquiry.selMaxiblpressure;
   x.disabled = true;
   
   var y=document.Enquiry.selMiniblpressure;
   y.disabled = true;
   
   var z=document.Enquiry.selSpindleType;
   z.disabled = true;

  var ProvState = new Array;
  ProvState[0] = new Option("Bronze");
  ProvState[1] = new Option("Cast Iron (C.I.)");
  ProvState[2] = new Option("Cast Steel (C.S.)");
  ProvState[3] = new Option("ASTM A 216 Gr. WCB");
  ProvState[4] = new Option("Others");
  
  
  
  var Size = new Array;
  Size[0] = new Option("15");
  Size[1] = new Option("20");
  Size[2] = new Option("25");
  Size[3] = new Option("32");
  Size[4] = new Option("40");
  Size[5] = new Option("50");
  Size[6] = new Option("Others");
  

  var EndConnection = new Array;
  EndConnection[0] = new Option("Flanged End");
  EndConnection[1] = new Option("Screwed End");
  EndConnection[2] = new Option("Others");
  
  var ProvPressure = new Array;
  ProvPressure[0] = new Option("16.5 kg / cm2");
  ProvPressure[1] = new Option("13 kgf / cm2");
  ProvPressure[2] = new Option("17.5 kgf / cm2");
  ProvPressure[3] = new Option("Others");

  }

  if (Primary == 2)
  {
   
   var x=document.Enquiry.selMaxiblpressure;
   x.disabled = true;
   
   var y=document.Enquiry.selMiniblpressure;
   y.disabled = true;
   
   var z=document.Enquiry.selSpindleType;
   z.disabled = false;
   
  
   
  var ProvState = new Array;
  ProvState[0] = new Option("Bronze");
  ProvState[1] = new Option("Others");  
  
  var Size = new Array;
  Size[0] = new Option("15");
  Size[1] = new Option("20");
  Size[2] = new Option("25");
  Size[3] = new Option("32");
  Size[4] = new Option("40");
  Size[5] = new Option("50");
  Size[5] = new Option("80");
  Size[6] = new Option("Others");
  
  var EndConnection = new Array;
  EndConnection[0] = new Option("Flanged End");
  EndConnection[1] = new Option("Screwed End");
  EndConnection[2] = new Option("Others");
  
  var ProvPressure = new Array;
  ProvPressure[0] = new Option("16.5 kg/cm2");
  ProvPressure[1] = new Option("Others");
  
  var SpindleType = new Array;
  SpindleType[0] = new Option("Rising Spindle");
  SpindleType[1] = new Option("Non Rising Spindle"); 
  
  }
  if (Primary == 3)
  {
   
   var x=document.Enquiry.selMaxiblpressure;
   x.disabled = true;
   
   var y=document.Enquiry.selMiniblpressure;
   y.disabled = true;
   
   var z=document.Enquiry.selSpindleType;
   z.disabled = true;
  
  var ProvState = new Array;
  ProvState[0] = new Option("Bronze");
  ProvState[1] = new Option("Cast Iron (C.I.)");
  ProvState[2] = new Option("Cast Steel (C.S.)");
  ProvState[3] = new Option("ASTM A 216 Gr. WCB");
  ProvState[4] = new Option("Others");
   
  var Size = new Array;
  Size[0] = new Option("15");
  Size[1] = new Option("20");
  Size[2] = new Option("25");
  Size[3] = new Option("40");
  Size[4] = new Option("50");
  Size[5] = new Option("65");
  Size[6] = new Option("80");
  Size[7] = new Option("100");
  Size[8] = new Option("Others");
  
  var EndConnection = new Array;
  EndConnection[0] = new Option("Flanged End");
  EndConnection[1] = new Option("Screwed End");
  EndConnection[2] = new Option("Others");
  
   var ProvPressure = new Array;
  ProvPressure[0] = new Option("17.5 kgf / cm2");
  ProvPressure[1] = new Option("Others");
   
  }
	
  if (Primary == 4)
  {
  
   var x=document.Enquiry.selMaxiblpressure;
   x.disabled = true;
   
   var y=document.Enquiry.selMiniblpressure;
   y.disabled = true;
   
   var z=document.Enquiry.selSpindleType;
   z.disabled = true;
   
  var ProvState = new Array;
  ProvState[0] = new Option("Bronze");
  ProvState[1] = new Option("Cast Iron (C.I.)");
  ProvState[2] = new Option("Others");
  
  var Size = new Array;
  Size[0] = new Option("15");
  Size[1] = new Option("20");
  Size[2] = new Option("25");
  Size[3] = new Option("32");
  Size[4] = new Option("40");
  Size[5] = new Option("50");
  Size[6] = new Option("Others");
  
  var EndConnection = new Array;
  EndConnection[0] = new Option("Flanged End");
  EndConnection[1] = new Option("Screwed End");
  EndConnection[2] = new Option("Others");
  
  var ProvPressure = new Array;
  ProvPressure[0] = new Option("16.5 kg / cm2");
  ProvPressure[1] = new Option("17.5 kgf / cm2");
  ProvPressure[2] = new Option("Others");
 
  }
  
  if (Primary == 5)
  {
  
   var x=document.Enquiry.selMaxiblpressure;
   x.disabled = true;
   
   var y=document.Enquiry.selMiniblpressure;
   y.disabled = true;
   
   var z=document.Enquiry.selSpindleType;
   z.disabled = true;
   
  var ProvState = new Array;
  ProvState[0] = new Option("Bronze");
  ProvState[1] = new Option("Others");
  
  var Size = new Array;
  Size[0] = new Option("20");
  Size[1] = new Option("Others");
  
  var EndConnection = new Array;
  EndConnection[0] = new Option("Flanged End");
  EndConnection[1] = new Option("Others");
  
  var ProvPressure = new Array;
  ProvPressure[0] = new Option("17.5 kgf/cm2");
  ProvPressure[1] = new Option("Others");
   
  }
  
  if (Primary == 6)
  {
   
   var x=document.Enquiry.selMaxiblpressure;
   x.disabled = false;
   
   var y=document.Enquiry.selMiniblpressure;
   y.disabled = false;
   
   
   var z=document.Enquiry.selSpindleType;
   z.disabled = true;
   
  var ProvState = new Array;
  ProvState[0] = new Option("Bronze");
  ProvState[1] = new Option("Others");
  
  
  var Size = new Array;
  Size[0] = new Option("15");
  Size[1] = new Option("25");
  Size[2] = new Option("Others");
  
  var EndConnection = new Array;
  EndConnection[0] = new Option("Screwed End");
  EndConnection[1] = new Option("Others");
  
  var ProvPressure = new Array;
  ProvPressure[0] = new Option("17.5 kgf / cm2");
  ProvPressure[1] = new Option("Others");
  
  }
  
  if (Primary == 7)
  {
	
   var x=document.Enquiry.selMaxiblpressure;
   x.disabled = true;
   
   var y=document.Enquiry.selMiniblpressure;
   y.disabled = true;
   
   var z=document.Enquiry.selSpindleType;
   z.disabled = true;
   
  var ProvState = new Array;
  ProvState[0] = new Option("Cast Steel (C.S.)");
  ProvState[1] = new Option("Others");
  
  var Size = new Array;
  Size[0] = new Option("25");
  Size[1] = new Option("40");
  Size[2] = new Option("50");
  Size[3] = new Option("Others");
  
  var EndConnection = new Array;
  EndConnection[0] = new Option("Flanged End");
  EndConnection[1] = new Option("Others");
  
  var ProvPressure = new Array;
  ProvPressure[0] = new Option("52.02 kgf/cm2");
  ProvPressure[1] = new Option("Others");
  }
  
  
  for (i=document.Enquiry.state.options.length; i>0; i--)
   { 
 	 document.Enquiry.state.options[i] = null;
   }

  for(i=0; i<ProvState.length; i++) 
  {
  	document.Enquiry.state.options[i] = ProvState[i];
  }

	  for (i=document.Enquiry.selSize.options.length; i>0; i--)
   { 
 	 document.Enquiry.selSize.options[i] = null;
   }

  for(i=0; i<Size.length; i++) 
  {
  	document.Enquiry.selSize.options[i] = Size[i];
  }
  
	
	for (i=document.Enquiry.selEndConnec.options.length; i>0; i--)
   { 
 	 document.Enquiry.selEndConnec.options[i] = null;
   }

  for(i=0; i<EndConnection.length; i++) 
  {
  	document.Enquiry.selEndConnec.options[i] = EndConnection[i];
  }
  

  for (i=document.Enquiry.selPressure.options.length; i>0; i--)
   { 
 	 document.Enquiry.selPressure.options[i] = null;
   }

  for(i=0; i<ProvPressure.length; i++) 
  {
  	document.Enquiry.selPressure.options[i] = ProvPressure[i];
  }
  
  for (i=document.Enquiry.selSpindleType.options.length; i>0; i--)
   { 
 	 document.Enquiry.selSpindleType.options[i] = null;
   }

  for(i=0; i<SpindleType.length; i++) 
  {
  	document.Enquiry.selSpindleType.options[i] = SpindleType[i];
  }
   
  
  
  
  document.Enquiry.selPressure.options[0].selected = true;

}


  function changeMOCType() 
{
	
  var Secondary = document.Enquiry.state.selectedIndex;
   
   
  if (Secondary == null) return;
   
   if (Secondary == 0) 
  {
	
  var Size1 = new Array;
  Size1[0] = new Option("15");
  Size1[1] = new Option("20");
  Size1[2] = new Option("25");
  Size1[3] = new Option("32");
  Size1[4] = new Option("40");
  Size1[5] = new Option("50");
  Size1[6] = new Option("Others");
  
  var ProvPressure1 = new Array;
  ProvPressure1[0] = new Option("16.5 kg / cm2");
  ProvPressure1[1] = new Option("13 kgf / cm2");
  ProvPressure1[2] = new Option("17.5 kgf / cm2");
  ProvPressure1[3] = new Option("Others");
  
  var EndConnection1 = new Array;
  EndConnection1[0] = new Option("Flanged End");
  EndConnection1[1] = new Option("Screwed End");
  EndConnection1[2] = new Option("Others");
  
  }
   
  if (Secondary == 1) 
  {
    var Size1 = new Array;
  Size1[0] = new Option("15");
  Size1[1] = new Option("20");
  Size1[2] = new Option("25");
  Size1[3] = new Option("40");
  Size1[4] = new Option("50");
  Size1[5] = new Option("80");
  Size1[6] = new Option("100");
  Size1[7] = new Option("150");
  Size1[8] = new Option("Other");
  
  var ProvPressure1 = new Array;
  ProvPressure1[0] =  new Option("13 kgf / cm2");
  ProvPressure1[1] = new Option("Others");
  
  }

 if (Secondary == 2) 
  {
	
  
  var Size1 = new Array;
  Size1[0] = new Option("25");
  Size1[1] = new Option("40");
  Size1[2] = new Option("50");
  Size1[3] = new Option("80");
  Size1[4] = new Option("100");
  Size1[5] = new Option("150");
  Size1[6] = new Option("200");
  Size1[7] = new Option("Others");
  
  var ProvPressure1 = new Array;
  ProvPressure1[0] = new Option("22 kg / cm2 (class 150)");
  ProvPressure1[1] = new Option("58 kg / cm2 (class 300)");
  ProvPressure1[2] = new Option("Others");
  
  var EndConnection1 = new Array;
  EndConnection1[0] = new Option("Flanged End");
  EndConnection1[1] = new Option("Others");
  }

if (Secondary == 3) 
  {
	
  var Size1 = new Array;
  Size1[0] = new Option("25");
  Size1[1] = new Option("40");
  Size1[2] = new Option("50");
  Size1[3] = new Option("80");
  Size1[4] = new Option("100");
  Size1[5] = new Option("150");
  Size1[6] = new Option("200");
  Size1[7] = new Option("Other");
  
  var ProvPressure1 = new Array;
  ProvPressure1[0] = new Option("22 kg / cm2 (class 150)");
  ProvPressure1[1] = new Option("58 kg / cm2 (class 300)");
  ProvPressure1[2] = new Option("Others");
  
  var EndConnection1 = new Array;
  EndConnection1[0] = new Option("Flanged End");
  EndConnection1[1] = new Option("Others");
  
  }	
  if (Secondary == "Others" ) 
  {
	
  var Size1 = new Array;
  Size1[0] = new Option("Others");
  }		

  for (i=document.Enquiry.selSize.options.length; i>0; i--)
   { 
 	 document.Enquiry.selSize.options[i] = null;
   }

  for(i=0; i<Size1.length; i++) 
  {
  	document.Enquiry.selSize.options[i] = Size1[i];
  }
  
  
  
  for (i=document.Enquiry.selPressure.options.length; i>0; i--)
   { 
 	 document.Enquiry.selPressure.options[i] = null;
   }

  for(i=0; i<ProvPressure1.length; i++) 
  {
  	document.Enquiry.selPressure.options[i] = ProvPressure1[i];
  }


  for (i=document.Enquiry.selEndConnec.options.length; i>0; i--)
   { 
 	 document.Enquiry.selEndConnec.options[i] = null;
   }

  for(i=0; i<EndConnection1.length; i++) 
  {
  	document.Enquiry.selEndConnec.options[i] = EndConnection1[i];
  }

}

 function changeWorkingPressure() 
{
	
  var Tertiary = document.Enquiry.selPressure.selectedIndex;

  if (Tertiary == null) return;
   
   if (Tertiary == 0) 
  {
	
  var Size2 = new Array;
  Size2[0] = new Option("15");
  Size2[1] = new Option("20");
  Size2[2] = new Option("25");
  Size2[3] = new Option("32");
  Size2[4] = new Option("40"); 
  Size2[5] = new Option("Others");
  }
   

  if (Tertiary == 1) 
  {
	
  var Size2 = new Array;
  Size2[0] = new Option("25");
  Size2[1] = new Option("40");
  Size2[2] = new Option("50");
  Size2[3] = new Option("80");
  Size2[4] = new Option("100");
  Size2[5] = new Option("150");
  Size2[6] = new Option("200");
  Size2[7] = new Option("Others");
  }

 if (Tertiary == 2) 
  {
	
  var Size2 = new Array;
  Size2[0] = new Option("25");
  Size2[1] = new Option("40");
  Size2[2] = new Option("50");
  Size2[3] = new Option("80");
  Size2[4] = new Option("100");
  Size2[5] = new Option("150");
  Size2[6] = new Option("200");
  Size2[7] = new Option("Others");
  }

  if (Tertiary == 3) 
  {
	
  var Size2 = new Array;
  Size2[0] = new Option("15");
  Size2[1] = new Option("20");
  Size2[2] = new Option("25");
  Size2[3] = new Option("40");
  Size2[4] = new Option("50");
  Size2[5] = new Option("80");
  Size2[6] = new Option("100");
  Size2[7] = new Option("150");
  Size2[8] = new Option("Others");
  }	

   if (Tertiary == 4) 
  {
	
  var Size2 = new Array;
  Size2[0] = new Option("15");
  Size2[1] = new Option("20");
  Size2[2] = new Option("25");
  Size2[3] = new Option("40");
  Size2[4] = new Option("50");
  Size2[5] = new Option("Others");
  }		

   if (Tertiary == "52.02 kgf/cm2" ) 
  {
	
  var Size2 = new Array;
  Size2[0] = new Option("25");
  Size2[1] = new Option("40");
  Size2[2] = new Option("50");
  Size2[3] = new Option("Others");
  }		

    if (Tertiary == "Others" ) 
  {
	
  var Size2 = new Array;
  Size2[0] = new Option("Others");
  }		

  for (i=document.Enquiry.selSize.options.length; i>0; i--)
   { 
 	 document.Enquiry.selSize.options[i] = null;
   }

  for(i=0; i<Size2.length; i++) 
  {
  	document.Enquiry.selSize.options[i] = Size2[i];
  }



}