Generate unique ID with javascript:<br/>
function guidGenerator() { var S4 = function() { return (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1); }; return (S4() + S4() + "-" + S4() + "-" + S4() + "-" + S4() + "-" + S4() + S4() + S4()); }