function DefalultValueClear(obj){
	if(obj.value == "Keresés az oldalon"){
		obj.value = "";
		obj.style.fontStyle = "normal";
	}
}

function KeresesOnEnter(obj, e){
	if(window.event) {
		keynum = e.keyCode
	}
	else if(e.which) {
		keynum = e.which
	}

	if(keynum == 13) {
        obj.parentNode.Submit();
    }
}