function sliderresize () {
    
	/* kleene Funktion zum automatischen rezizen der Slidebar rechts  */
	/*document.getElementById('menu_repeat')*/
	if($("#main_content_bg")) {
		slider_prime = document.getElementById('main_content_bg').offsetHeight; //$("#main_content_bg").css('height');
		
		
		temp = $("#silderbahn").css('height'); 
		
		$("#main_slider").css('height',slider_prime);
		slider_detail = parseInt(slider_prime)-62;
		slider_white = parseInt(slider_prime)-18;
		
		
		$("#silderbahn").css('height',slider_detail);
		$("#slider").css('height',slider_white);
		temp = $("#silderbahn").css('height');
		
	}
}