<!--

var contentscroller;
var iPosy = 0;
var icrollheight = 0;
var curContentLayer;


function scrolllayer(scrollrichtung){

	
	var strPosy = document.getElementById(curContentLayer).style.top;
	iPosy = parseInt(strPosy.substring(0,strPosy.length-2));
	var scrollheight = document.getElementById("x" + curContentLayer).offsetHeight;

    switch(scrollrichtung){
		case "down":
		    var differenz = (scrollheight - 319)*-1;
		    //alert(differenz + " - " + scrollheight);
		    //if(differenz<iPosy){
				document.getElementById(curContentLayer).style.top = iPosy - 2;
		   //	}
			break;
		case "up":
		    if(iPosy<0){
		    	document.getElementById(curContentLayer).style.top = iPosy + 2;
		    }
	    	break;
	}

}

function scrollup(sContentLayer){
    curContentLayer = sContentLayer;
	contentscroller = window.setInterval("scrolllayer('up')",9);

}


function scrolldown(sContentLayer){
	curContentLayer = sContentLayer;
	contentscroller = window.setInterval("scrolllayer('down')",9);
}

function scrollstop(){

window.clearInterval(contentscroller);

}

//-->