function contact_validation()
{
	if(document.contact.txt_name.value == "")
	{
	   alert("Please enter 'your Name'.");
	   document.contact.txt_name.focus();
	   return false;
	}
	if(document.contact.txt_email.value == "")
	{
	   alert("Please enter 'your Email' address.");
	   document.contact.txt_email.focus();
	   return false;
	}
	if(!validateEmail(document.contact.txt_email.value,1,1))
	{
	   document.contact.txt_email.focus();
	   return false;
	}
	if(document.contact.txt_sub.value == "")
	{
	   alert("Please enter 'Subject'.");
	   document.contact.txt_sub.focus();
	   return false;
	}
	if(document.contact.txt_message.value == "")
	{
	   alert("Please enter 'Message'.");
	   document.contact.txt_message.focus();
	   return false;
	}
}
function viewproduct(hprodid)
{
	document.frm_product.action="productdetails.php?hprodid="+hprodid;
	document.frm_product.submit();
}
function add_cart(pid,price)
{
	
	alert("price");
	document.frm_product.action="addtocart.php?HProdId="+pid+"&price="+priceid"";
     document.frm_product.submit();
}

function validation(theForm)
{
         var name = theForm.name.value;
		 if (name == "" )
		 { 
			 alert ("Please enter Name");
			 theForm.name.focus();
			 return false;
		 }
		 
		 
          var from = theForm.from.value;
               if (!validateEmail(theForm.from.value,1,1)) 
		 {
			 theForm.from.focus();
			 return false;
		 }
}

function validateEmail(addr,man,db) {
	if (addr == '' && man) {
	   if (db) alert('Email address is mandatory');
	   return false;
	}
	var invalidChars = '\/\'\\ ";:?!()[]\{\}^|';
	for (i=0; i<invalidChars.length; i++) {
	   if (addr.indexOf(invalidChars.charAt(i),0) > -1) {
		  if (db) alert('Email address contains invalid characters');
		  return false;
	   }
	}
	for (i=0; i<addr.length; i++) {
	   if (addr.charCodeAt(i)>127) {
		  if (db) alert("Email address contains non ascii characters.");
		  return false;
	   }
	}
	var atPos = addr.indexOf('@',0);
	if (atPos == -1) {
	   if (db) alert('Email address must contain an @');
	   return false;
	}
	if (atPos == 0) {
	   if (db) alert('Email address must not start with @');
	   return false;
	}
	if (addr.indexOf('@', atPos + 1) > - 1) {
	   if (db) alert('Email address must contain only one @');
	   return false;
	}
	if (addr.indexOf('.', atPos) == -1) {
	   if (db) alert('Email address must contain a period in the domain name');
	   return false;
	}
	if (addr.indexOf('@.',0) != -1) {
	   if (db) alert('period must not immediately follow @ in email address');
	   return false;
	}
	if (addr.indexOf('.@',0) != -1){
	   if (db) alert('period must not immediately precede @ in email address');
	   return false;
	}
	if (addr.indexOf('..',0) != -1) {
	   if (db) alert('two periods must not be adjacent in email address');
	   return false;
	}
	var suffix = addr.substring(addr.lastIndexOf('.')+1);
	if (suffix.length != 2 && suffix != 'com' && suffix != 'net' && suffix != 'org' && suffix != 'edu' && suffix != 'int' && suffix != 'mil' && suffix != 'gov' & suffix != 'arpa' && suffix != 'biz' && suffix != 'aero' && suffix != 'name' && suffix != 'coop' && suffix != 'info' && suffix != 'pro' && suffix != 'museum') {
	   if (db) alert('invalid primary domain in email address');
	   return false;
	}
return true;
}