var winpo;
function pop(link,h,w,scroll) {
	var win = null;
	if(!w){
		w = 600;
	}
	if(!h){
		h = 347;
	}
	if(scroll == 1){
		sc = "yes";
	 }else{
	 	sc = "no";
	 }
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	if(link != null ){
	link = 'http://www.greatnet.de/cms/'+link+"&l=faq";
	settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+sc+',resizable,location=no';	
winpo = window.open(link,"Greatnet",settings);
	if(winpo.window.focus){
		winpo.window.focus();
	}	
	}
} 

function bl(){
	if (winpo){
		winpo.close();
	}
}