function checkfrm(){
	if (document.form1.fname.value == "")
		{
			alert("Please enter a contact name");
			document.form1.fname.focus();
			return false;			
		}
	else if (document.form1.cname.value == "")
		{
			alert("Please enter a company name");
			document.form1.cname.focus();
			return false;			
		}
	else if (document.form1.qty.value == "")
		{
			alert("Please enter a quantity");
			document.form1.qty.focus();
			return false;			
		}
	else if (document.form1.email.value == "")
		{
			alert("Please enter your email address");
			document.form1.email.focus();
			return false;			
		}
	else if (checkemail(document.form1.email.value) == false)
		{
			alert("Please enter a valid email address");
			document.form1.email.focus();
			return false;
		} 
	else if (document.form1.phone.value == "") 
		{
			alert("Please enter a contact telephone number");
			document.form1.phone.focus();
			return false;
		}
	else	
		{
			return true;
		}

}
function checkemail(str)
{
	var testresults
	//var str=document.Contactform.Email.value
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
		if (filter.test(str))
			testresults=true
		else
			{
			//alert("Please input a valid email address!")
			testresults=false
			}
		return testresults;
}