function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

/* Popups */
var newWindow = null;

function closeWin(){
	if (newWindow != null){
		if(!newWindow.closed)
			newWindow.close();
	}
}

function findPopUps(){
	var popups = document.getElementsByTagName("a");
	for (i=0;i<popups.length;i++)	{
 	  if (popups[i].rel.indexOf("popup")!=-1) {
	  	popups[i].onclick = popups[i].onkeypress = doPopUp;
  		popups[i].title = popups[i].title + " [Öffnet ein Pop-Up Fenster]";
  	  }
 	}
}

function doPopUp(e) {

	var t = "standard";
	var w = "818";
	var h = "618";

	attribs = this.rel.split(" ");
	if (attribs[1]!=null) {t = attribs[1];}
	if (attribs[2]!=null) {w = attribs[2];}
	if (attribs[3]!=null) {h = attribs[3];}

	popUpWin(this.href,t,w,h);

	if (window.event) {
		window.event.returnValue = false;
 		window.event.cancelBubble = true;
 	} 
	else if (e) {
		e.stopPropagation();
 		e.preventDefault();
 	}
}

function popUpWin(url, type, strWidth, strHeight){
	
	closeWin(); 
	type = type.toLowerCase();
	
	var tools="";
	if (type == "standard") tools = "resizable=yes,toolbar=no,location=no,scrollbars=no,menubar=no,width="+strWidth+",height="+strHeight+",top=10,left=10";
	newWindow = window.open(url, 'newWin', tools);
	newWindow.focus();
}

addLoadEvent(findPopUps);