function addEvent(obj, eventType, myfunction, isCapture) {
	if(obj.addEventListener){ // W3C DOM
		obj.addEventListener(eventType, myfunction, isCapture);
	}else if(obj.attachEvent){ // Internet Explorer
		obj.attachEvent("on"+eventType, myfunction);
	}else{
		alert("No addEvent-Suport from this Browser");
	}
}