function loadimg_buildin() { 
		var perc = Math.round((loaded_buildin/count_el_buildin)*100);   			// update progress bar
		document.getElementById("loader_perc_buildin").style.width = perc + "px";

		if (loaded_buildin == count_el_buildin) {									// init slideshow
			startup_buildin();
		} else {
			window.setTimeout("loadimg_buildin();", 200); 
		}	
	}

 	loadimg_buildin();  
	
	function startup_buildin() { 
		for (var a = 1; a < count_el_buildin; a++) { setOpacity(0,'buildin_'+a); } 	// set opacity to 0 for all divs
		document.getElementById("buildin_0").style.zIndex = 10; 								// move first element to top
		opacity("loader_buildin", 100, 0, 500); 												// fade out loader
		window.setTimeout("switcher_buildin()", 3800);											// begin loop
	}

	function switcher_buildin() { 
		old_el_buildin = cur_el_buildin;
		cur_el_buildin++;
		if (cur_el_buildin >= count_el_buildin) {   cur_el_buildin = 0;   }

		var this_el = "buildin_"+cur_el_buildin;
		var old_el  = "buildin_"+old_el_buildin;
		
		changeOpac(0, this_el); 																			// move new img div to top, and fade in
		document.getElementById(this_el).style.zIndex = zorder_buildin; 
		zorder_buildin++; 
		opacity(this_el, 0, 100, 1200); 

		window.setTimeout("switcher_buildin()", 5000);
		window.setTimeout("setOpacity(0,'" + old_el + "')", 1200);											// hide old img div (necessary for stacked rounded corners antialiasing issue)
	}