function validate()
{
	if(validation())
	{
		document.feedback.action="mail.asp"
		document.feedback.submit()
	}
}
function validation()
	   {
			var mail=document.feedback.txt_mail.value
  			var phone1=document.feedback.txt_phone.value
//-----------------------------------------1.mail------------------------------------
		if (mail=="")
				  {
		 		   alert("Please enter Email ID")
		     	   document.feedback.txt_mail.focus()
		     	   document.feedback.txt_mail.select()
		 		   return false;
				   }
		  if(mail.indexOf("@")==-1  )
				 {
	
					alert("Please Enter a Valid Email Id")
					document.feedback.txt_mail.focus()
					document.feedback.txt_mail.select()
					return false;
				}
		if(mail.indexOf(".")==-1 )
				 {
				   error=true
				   alert("Please enter a valid Mail Id")
				   document.feedback.txt_mail.focus()
				   document.feedback.txt_mail.select()
				   return false;
				 }

		var s = mail.split("@");
		if(s.length>2)
				{
					alert('There should be minimum one "@" symbol in your Mail Id');
					document.feedback.txt_mail.focus();
					document.feedback.txt_mail.select();
					return false;
					
				} 
//-------------------------------2.PHONE---------------------------------------------------------
	if(phone1=="" || isNaN(phone1))
				{
					error=true
					alert("Please Enter Valid Phone Number");
					document.feedback.txt_phone.focus()
					document.feedback.txt_phone.select()
					return false;
				} 
// --------------------------FUNCTION ENDS-------------------------------------------------------
return true;
}