function count(num){
	num=num-3;
	num*=-18;
	return(num);

}


 function down(obj) {
  var arrli = obj.getElementsByTagName('LI')
  if(arrli.length>4){
	var mar=count(arrli.length);
  	var children = obj.childNodes;
  	for(var i=0; i<children.length; i++) {
   		if(children[i].tagName=="UL") {
    			var str=children[i].style.marginTop;
			var num = str.replace("px", "");
			num=parseInt(num);
			if(num>mar)
			{num-=18;}
			children[i].style.marginTop=num+"px";

   		}
	}
   }

}
 
 function up(obj) {
  var arrli = obj.getElementsByTagName('LI')
  if(arrli.length>4){
	var mar=count(arrli.length);
  	var children = obj.childNodes;
  	for(var i=0; i<children.length; i++) {
   		if(children[i].tagName=="UL") {
    			var str=children[i].style.marginTop;
			var num = str.replace("px", "");
			num=parseInt(num);
			if(num<18)
			{num+=18;}
			children[i].style.marginTop=num+"px";
   		}
	}
   }

 }