function validcontact(){
a = document.frm1;
if(a.textname1.value==""){
alert("Please enter your Name");
a.textname1.focus();
a.textname1.select();
return false;
}
if(a.textnumber1.value==""){
alert("Please enter your Telephone Number");
a.textnumber1.focus();
a.textnumber1.select();
return false;
}
if(a.textemail1.value==""){
alert("Please enter your Email");
a.textemail1.focus();
a.textemail1.select();
return false;
}
else
{
	var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i
	var returnval=emailfilter.test(document.frm1.textemail1.value)
	if (returnval==false){
		alert("Please enter a valid email address.")
		document.frm1.textemail1.select()
		return false;
}
}
if(a.textcomm1.value==""){
alert("Please enter your Comments");
a.textcomm1.focus();
a.textcomm1.select();
return false;
}
return;
}