function validEmail(email){
 invalidchars = "+=;:',)(*&^%$#!~`"
 if(email == ""){
  return (false);
 }
 for(i=0; i < invalidchars.length; i++){
 badChar = invalidchars.charAt(i)
   if (email.indexOf(badChar,0) != -1) {
			return (false);
		}
  }
	atPos = email.indexOf("@", 1)
	if (atPos == -1) {
		return (false);
	}
	periodPos = email.indexOf(".", atPos)
	if (periodPos == -1) {
		return (false);
	}
	return (true);
}

 
 function validation()
 {
  	if(document.frm.name.value=="")
	{
	 alert("Please enter your name.");
	 document.frm.name.focus();
	  return false
	}
	
	if(document.frm.organization.value=="")
	{
	 alert("Please enter your organization name.");
	 document.frm.organization.focus();
	  return false
	}
	
	if(document.frm.email.value=="")
	{
	 alert("Please enter your email address.");
	 document.frm.email.focus();
	  return false
	}
	
	if(!validEmail(document.frm.email.value))
	{
	 alert("Please enter your valid email address.");
	 document.frm.email.focus();
	  return false
	}
	
	return true;
}

function validate_resume()
 {
  	if(document.frm.name.value=="")
	{
	 alert("Please enter your name.");
	 document.frm.name.focus();
	  return false
	}
	
	if(document.frm.email.value=="")
	{
	 alert("Please enter your email address.");
	 document.frm.email.focus();
	  return false
	}
	
	if(!validEmail(document.frm.email.value))
	{
	 alert("Please enter your valid email address.");
	 document.frm.email.focus();
	  return false
	}
	
	if(document.frm.dd.value=="")
	{
	 alert("Please select your birthdate.");
	 document.frm.dd.focus();
	  return false
	}
	
	if(document.frm.mm.value=="")
	{
	 alert("Please select your birthmonth.");
	 document.frm.mm.focus();
	  return false
	}
	
	if(document.frm.yy.value=="")
	{
	 alert("Please select your birthyear.");
	 document.frm.yy.focus();
	  return false
	}
	
	if(document.frm.qualification.value=="")
	{
	 alert("Please enter your qualification.");
	 document.frm.qualification.focus();
	  return false
	}
	return true;
}

function validate_feedback()
 {
  	if(document.frm.name.value=="")
	{
	 alert("Please enter your name.");
	 document.frm.name.focus();
	  return false
	}
	
	if(document.frm.email.value=="")
	{
	 alert("Please enter your email address.");
	 document.frm.email.focus();
	  return false
	}
	
	if(!validEmail(document.frm.email.value))
	{
	 alert("Please enter your valid email address.");
	 document.frm.email.focus();
	  return false
	}	
	return true;
}


//----------------------------------------- POPUP WINDOW ----------------------------------------


var win = null;
	function NewWindow(mypage,myname,w,h,scroll){
		LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
		TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
		settings =
		'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable'
		win = window.open(mypage,myname,settings)
	}