// JavaScript Document
function CheckForm () {

 //Check for a word to search
 if (document.frmSiteSearch.search.value==""){
  alert("Please enter at least one keyword to search");
  document.frmSiteSearch.search.focus();
  return false; 
 }
 
 return true
}
// email validation

 function echeck(str) {
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1){
	   alert("Invalid E-mail ID")
	   return false		}
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   alert("Invalid E-mail ID")
	   return false		}

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
	    alert("Invalid E-mail ID")
	    return false		}

	 if (str.indexOf(at,(lat+1))!=-1){
	    alert("Invalid E-mail ID")
	    return false		 }

	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
	    alert("Invalid E-mail ID")
	    return false		 }

	 if (str.indexOf(dot,(lat+2))==-1){
	    alert("Invalid E-mail ID")
	    return false		 }
	
	 if (str.indexOf(" ")!=-1){
	    alert("Invalid E-mail ID")
	    return false  }
	    
	 return true	
}



function CheckEnquiry()
{
if (document.ss_frm.txtName.value == "")
{
alert("Please enter your Name");
document.ss_frm.txtName.focus();
return false;
}
if (document.ss_frm.txtPosition.value == "")
{
alert("Please enter your Position");
document.ss_frm.txtPosition.focus();
return false
}
if (document.ss_frm.txtinstitution.value == "")
{
alert("Please enter your Institution");
document.ss_frm.txtinstitution.focus();
return false
}
if (document.ss_frm.txtAddress.value == "")
{
alert("Please enter your Address");
document.ss_frm.txtAddress.focus();
return false
}
if (document.ss_frm.txtcontact.value == "")
{
alert("Please enter your Contact Number");
document.ss_frm.txtcontact.focus();
return false
}
var mailID=document.ss_frm.txtEmail;
if ((mailID.value==null)||(mailID.value==""))
{
	alert('Please Enter a Email Address');
 	mailID.value="";
	mailID.focus();
	return false;
}
if (echeck(mailID.value)==false)
 {
	mailID.value="";
	mailID.focus();
	return false;
}

if (document.ss_frm.txtEnquiry.value == "")
{
alert("Please enter your Enquiry");
document.ss_frm.txtEnquiry.focus();
return false
}
//document.ss_frm.action = "contact.html?action=send";
document.ss_frm.action = "sendmail.php";
document.ss_frm.submit();

}