function scrollBanner(dect,areaId,ani){
	var scrArea=document.getElementById(areaId);
	var scrAreaWidth=scrArea.offsetWidth;
		
	var scrUl=scrArea.getElementsByTagName("UL")[0];
	var scrLis=scrUl.getElementsByTagName("LI");
	var liWidth=scrLis[0].offsetWidth;//.style.width;
		if(dect=="left"){
			liWidth=liWidth*-1
		}
	var tLiWidth=Math.abs(liWidth)*scrLis.length;
	
	var scrUlPos=parseInt(scrUl.style.left);
		if(isNaN(scrUlPos)){scrUlPos=0}
			
		mPos=scrUlPos+liWidth;
		
		if(tLiWidth-Math.abs(mPos)>=scrAreaWidth&&mPos<=0){
			if (ani != true) {
				scrUl.style.left = mPos + "px";
			}else{

			}
		}
}