function checkForm(){
	if(document.voteForm.name.value==""){
		alert('Please enter your name');
		document.voteForm.name.focus();
		return false;
	}

	if(document.voteForm.email.value==""){
		alert('Please enter email');
		document.voteForm.email.focus();
		return false;
	}
	else{
		var email=document.voteForm.email.value;
		if (echeck(email)==false)
		{
			document.voteForm.email.focus();
			return false;
		}
	}

	if(document.voteForm.school.value==""){
		alert('Please enter school/organization name');
		document.voteForm.school.focus();
		return false;
	}

	if(document.voteForm.query.value==""){
		alert('Please enter your query');
		document.voteForm.query.focus();
		return false;
	}
}


function checkData(data){
	var validChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.@_/,- \n\r";
	var checkStr=data;
	var status=1;
	
	for (var i=0;i<checkStr.length ; i++)
	{
		var ch=checkStr.charAt(i);
		for (var j=0;j<validChars.length ;j++ )
		{
			if (ch==validChars.charAt(j))
			{
				break;
			}
		}

		if (j==validChars.length)
		{
			status=0;
		}
	}
	
	return status;
}

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					
}