if(elem.id === "korisnicko_ime") {
			var val = elem.value;
			console.log(val.length);
			if(val.length < 10) {
				chStyle(elem, oldColor, 1);
				e.preventDefault();
			} else if(val[0] == val[0].toUpperCase()) {
				chStyle(elem, oldColor, 1);
				e.preventDefault();
			} else
				chStyle(elem, oldColor, 0);
		}