function preload_images() {
		
	var images = new Array();
	
  	images[0] = "images/nav1_11_over.gif";
  	images[1] = "images/nav1_12_over.gif";
  	images[2] = "images/nav1_13_over.gif";
  	images[3] = "images/nav1_14_over.gif";
  	images[4] = "images_divnav/balkonsanierung_over.gif";
  	images[5] = "images_divnav/bautrocknung_over.gif";
  	images[6] = "images_divnav/betonsanierung_over.gif";
  	images[7] = "images_divnav/bodenbelaege_over.gif";
  	images[8] = "images_divnav/entfeuchtung_over.gif";
  	images[9] = "images_divnav/hochdruckreinigen_over.gif";
  	images[10] = "images_divnav/lackierarbeiten_over.gif";
  	images[11] = "images_divnav/malerarbeiten_over.gif";
  	images[12] = "images_divnav/problem_feuchtigkeit_over.gif";
  	images[13] = "images_divnav/service_over.gif";
  	images[14] = "images_divnav/technik_over.gif";
  	images[15] = "images_divnav/waende_decken_over.gif";
  	images[16] = "images_divnav/wasserschaden_over.gif";
  	images[17] = "images/nav2_over_23.gif";
  	images[18] = "images/nav2_over_24.gif";
  	images[19] = "images/nav2_over_25.gif";
  	images[20] = "images/nav2_over_26.gif";
  	images[21] = "images/nav2_over_27.gif";
  	images[22] = "images/nav2_over_28.gif";
  	images[23] = "images/nav2_active_23.gif";
  	images[24] = "images/nav2_active_24.gif";
  	images[25] = "images/nav2_active_25.gif";
  	images[26] = "images/nav2_active_26.gif";
  	images[27] = "images/nav2_active_27.gif";
  	images[28] = "images/nav2_active_28.gif";
  	

  	
  	var preload = new Array();
  	
  	for (image in images){
  		preload[image] = new Image();
  		preload[image].src = images[image];
  	}
  		
}		


function popup(url,width,height) {
	if(((document.all) && (window.offscreenBuffering))){
 
 		if(width>height)
 			fenster=window.open("include/popup.php?pic="+url+"&width="+width+"&height="+height, "quer", "width="+(width+2)+",height="+(height+2)+",resizable=no,scrollbars=no");
 		else
 			fenster=window.open("include/popup.php?pic="+url+"&width="+width+"&height="+height, "hoch", "width="+(width+2)+",height="+(height+2)+",resizable=no,scrollbars=no");
 			fenster.focus();
 		
	} else {
	
 		if(width>height)
 			fenster=window.open("include/popup.php?pic="+url+"&width="+width+"&height="+height, "quer", "width="+(width+2)+",height="+(height+2)+",resizable=no,scrollbars=no");
 		else
 			fenster=window.open("include/popup.php?pic="+url+"&width="+width+"&height="+height, "hoch", "width="+(width+2)+",height="+(height+2)+",resizable=no,scrollbars=no");
 			fenster.focus();
	}
	
 	return false;
 	
}