function adfloating(divid){
	var div1 =document.getElementById(divid);
	var flag=1;
	Math.random()>0.4?flag=-1:flag=1;
	div1.style.preleft=150+(flag*(Math.random())*150);
	div1.style.pretop=150+(flag*(Math.random())*150);	
	div1.style.vleft=flag;
	div1.style.htop=flag;
	div1.style.left=div1.style.preleft+document.body.scrollLeft;
	div1.style.top=div1.style.pretop+document.body.scrollTop;	
	setInterval("adfloating2('"+divid+"')",20);
}
function adfloating2(divid){
	var dv1 =document.getElementById(divid);
	if(parseInt(dv1.style.left)<document.body.scrollLeft){dv1.style.left=document.body.scrollLeft;}
	if(parseInt(dv1.style.left)>document.body.scrollLeft+document.body.clientWidth-dv1.offsetWidth){
		dv1.style.left=document.body.scrollLeft+document.body.clientWidth-dv1.offsetWidth;
	}
	if(parseInt(dv1.style.top)<document.body.scrollTop){dv1.style.top=document.body.scrollTop;}
	if(parseInt(dv1.style.top)>document.body.scrollTop+document.body.clientHeight-dv1.offsetHeight){
		dv1.style.top=document.body.scrollTop+document.body.clientHeight-dv1.offsetHeight;
	}	
	if(parseInt(dv1.style.left)==document.body.scrollLeft){dv1.style.vleft=1;}
	if(parseInt(dv1.style.left)==document.body.scrollLeft+document.body.clientWidth-dv1.offsetWidth){dv1.style.vleft=-1;}
	if(parseInt(dv1.style.top)==document.body.scrollTop){dv1.style.htop=1;}
	if(parseInt(dv1.style.top)==document.body.scrollTop+document.body.clientHeight-dv1.offsetHeight){dv1.style.htop=-1;}
	dv1.style.left=parseInt(dv1.style.left)+dv1.style.vleft+"px";
	dv1.style.top=parseInt(dv1.style.top)+dv1.style.htop+"px";
	}