function validateForm()

{		
	var form = document.partsForm;

	if(form.make.value=="")
	{
		alert("Please Enter Value") ;
		form.make.focus() ;
		return false;
	}
	
	if(form.models.value=="")
	{
		alert("Please Enter Models Name") ;
		form.models.focus() ;
		return false;
	}

	if(form.serial_no.value=="")
	{
		alert("Please Enter Your Serial Number") ;
		form.serial_no.focus();
		return false;
	}
		if(isNaN(form.serial_no.value)==true)
		{
			alert("Serial Number must be numeric") ;
			form.serial_no.focus();
			form.serial_no.value="";
			return false;
		}

	if(form.description.value=="")
	{
		alert("Please Enter Part Description") ;
		form.description.focus();
		return false;
	}

	if(form.details.value=="")
	{
		alert("Please Enter Your Contact Details") ;
		form.details.focus();
		return false;
	}

	if(form.name.value=="")
	{
		alert("Please Enter Your Name") ;
		form.name.focus() ;
		return false;
	}

	if(form.company.value=="")
	{
		alert("Please Enter Your Company Name") ;
		form.company.focus() ;
		return false;
	}

	if(form.phone.value=="")
	{
		alert("Please Enter Your Phone Number") ;
		form.phone.focus();
		return false;
	}
		if(isNaN(form.phone.value)==true)
		{
			alert("Phone Number must be numeric") ;
			form.phone.focus();
			form.phone.value="";
			return false;
		}

	if(form.email=="")
	{
		alert("Please Enter Your Email ID!") ;
		form.email.focus() ;
		return false;
	}	
		if (!form.email.value.match(/^[\w\.\-]+@([\w\-]+\.)+[a-zA-Z]+$/))
		{
			alert("Please enter a valid E-mail ID!");
			form.email.focus();
			form.email.value="";
			return false;
		}
	
	return;

}