// JavaScript Document
function chk_frm(){
	   if(document.getElementById('name').value==""){
	   alert("Please enter the name");
	   document.getElementById('name').focus();
	   return false;
	 }
	 
	 if(document.getElementById('email').value==""){
	   alert("Please enter the Email Id");
	   document.getElementById('email').focus();
	   return false;
	 }
	  
	 if(document.getElementById('email').value.length >0) {
	 i=document.getElementById('email').value.indexOf("@")
	 j=document.getElementById('email').value.indexOf(".",i)
	 k=document.getElementById('email').value.indexOf(",")
	 kk=document.getElementById('email').value.indexOf(" ")
	 jj=document.getElementById('email').value.lastIndexOf(".")+1
	 len=document.getElementById('email').value.length
		}
 	if ((i>0) && (j>(1+1)) && (k==-1) && (kk==-1) && (len-jj >=2) && (len-jj<=3)) {
 	}
 	else {
 		alert("Please enter a valid Email address.\n" +
		document.getElementById('email').value + " is invalid.");
		document.getElementById('email').focus() ;
		return false;
		 } 
	
	if(document.getElementById('phone').value==""){
	   alert("Please enter phone number");
	  document.getElementById('phone').focus() ;
	   return false;
	 }
	 if(document.getElementById('location').value==""){
	   alert("Please enter location");
	  document.getElementById('location').focus() ;
	   return false;
	 }
	 if(document.getElementById('comments').value==""){
	   alert("Please enter comments");
	  document.getElementById('comments').focus() ;
	   return false;
	 }
   return true;
  }