function chk_frm(){
	   
	   if(document.frm.name.value==""){
	   alert("Please enter name");
	   document.frm.email.focus();
	   return false;
	 }	 
	 if(document.frm.email.value==""){
	   alert("Please enter the Email Id");
	   document.frm.email.focus();
	   return false;
	 }
	  
	 if(document.frm.email.value.length >0) {
	 i=document.frm.email.value.indexOf("@")
	 j=document.frm.email.value.indexOf(".",i)
	 k=document.frm.email.value.indexOf(",")
	 kk=document.frm.email.value.indexOf(" ")
	 jj=document.frm.email.value.lastIndexOf(".")+1
	 len=document.frm.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.frm.email.value + " is invalid.");
		document.frm.email.focus() ;
		return false;
		 } 
		
   return true;
  }