function CheckEmail(e){
	e = e.toLowerCase();
	var ch="@";
	var count=0;
	var error=false;
	
	for (var i=0; i<e.length; i++){
		if(e.charAt(i)==ch || e.charAt(i)=="."){
			error = (count==0) ? true : error;
			ch = (ch==".") ? 0 : ch;
			ch = (e.charAt(i)=="@") ? "." : ch;
			count=0;
			continue;
		}
		count++;
	
		if((e.charAt(i)<"a" || e.charAt(i)>"z") && (e.charAt(i)<"0" || e.charAt(i)>"9") && e.charAt(i)!="_" && e.charAt(i)!="-"){
			error = true;
			break;
		}
	}
	error = (count==0) ? true : error;
	error = (ch==0) ? error : true;
	return !error;
}