// JavaScript Document

function validEmail(email){
	if (email != ""){
		var p = 0;
		var NumberOfSymbols = 0; //@
		var SymbolPosition = 0;
		var NumberOfDots = 0;
		var DotPosition = 0;
		var string = email;
		for (p=0 ; p<string.length ; p++){
			if (string.charAt(p) == "@"){
				SymbolPosition = p;
				NumberOfSymbols++;
			}
			if (string.charAt(p) == "."){
				DotPosition = p;
				NumberOfDots++;
			}
		}
		if (!(NumberOfSymbols == 1 & NumberOfDots > 0 & DotPosition > SymbolPosition+1 & SymbolPosition > 0 & DotPosition+1 < string.length)){
			return false;
		}else{
			return true;	
		}
	}else{
		return false;
	}
}