function validate(productReg) 
{
/* Your validation code. */
      
        var LB = "\n";
        var msghdr = "Please enter or select:" + LB + LB;
        var msg = "";
    	    	
    	var validFirstName= /^[a-zA-Z]+[\s\-]*[a-zA-Z]+$/;
        if (!productReg.first_name.value) msg += "Your First Name" + LB;
        else if (!validFirstName.test(productReg.first_name.value)) msg+= "A Valid First Name"+LB;

        var validLastName= /^[a-zA-Z]+[\s\.\'\-(a-zA-Z)]*$/;
        if (productReg.last_name.value == "") msg += "Your Last Name" + LB;
        else if (!validLastName.test(productReg.last_name.value)) msg+= "A Valid Last Name"+LB; 
		
        var validEMail= /^([a-zA-Z\.\d_\-]+)@([a-zA-Z\.\d\-]+[\.][a-zA-Z\.\-]{2,3})$/;
        if (productReg.email.value.length == 0) msg+= "Your Email Address"+LB;
        else if(!validEMail.test(productReg.email.value)) msg+= "A Valid Email Address" +LB;
		
		if (productReg.address1.value.length == 0) msg+= "your address" + LB;
		
       var validCity= /^[a-zA-Z0-9]+[\.\s\'\-(a-zA-Z0-9)]*$/;
        if (productReg.city.value.length == 0) msg += "Your City" + LB;
        else if (!validCity.test(productReg.city.value)) msg+= "A Valid City"+LB;
						
		
		if (productReg.state.selectedIndex == 0) msg += "your state" + LB;
		
		if (productReg.postalcode.value.length == 0) msg+= "Postal code" + LB;
		
		if (productReg.country.selectedIndex == 0) msg += "your country" + LB;
		
		if (productReg.phone.value.length == 0) msg+= "your phone" + LB;
		
		if (productReg.part_number.selectedIndex == 0) msg += "part number" + LB;
		
		if (productReg.serial_number.selectedIndex == 0) msg += "serial number" + LB;
		
		if (productReg.purchased_from.value.length == 0) msg+= "purchased from" + LB;
		
		if (productReg.purchase_date.value.length == 0) msg+= "purchase date" + LB;
		
		
       						
		if (msg.length > 0)
		{
	  		alert(msghdr + msg);
		}
			else document.productReg.submit();
			
 
}