function validate_form()
{
	var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i;

	if(document.frm.name.value==""){
		alert("Enter your name");
		document.frm.name.focus();
		return false;
	}
	if(!emailfilter.test(document.frm.email.value)){
		alert("Enter correct email address");
		document.frm.email.focus();
		return false;
	}
	if(document.frm.phone.value==""){
		alert("Enter your phone number");
		document.frm.phone.focus();
		return false;
	}
	document.frm.submit();
	return true;	
}