function chk_form(thisform)
{

	 if (thisform.name.value == "")
		{
			alert("Please enter Name");
			thisform.name.focus();
			return false;
		}

	if (thisform.email.value == "" || thisform.email.value.indexOf('@',0) == -1 || thisform.email.value.indexOf('.',0) == -1) 
	 {
	   alert ("Please enter a valid E-mail Address") ;
	   thisform.email.focus() ;
	   return false ;
	 }


     if (thisform.city.value == "")
		{
			alert("Please enter City");
			thisform.city.focus();
			return false;
		}
		              

	 if (thisform.comments.value == "")
		{
			alert("Please enter Comments");
			thisform.comments.focus();
			return false;
		}
		
	var comments= thisform.comments.value
	if (comments.length>250)
		{
			alert("Please do not use more than 250 characters in Comments");
			thisform.comments.focus();
			return false;
		}

}
function getvalue() {
document.form1.MM_insert.value="form1"
}