var RollTip = {
    followMouse: true,
    offX: 12,
    offY: 12,
    // duration of clipping animation
    showAni: 10,
    hideAni: 10,
ID:"rolltipDiv",ready:false,
timer:null,
tip:null,
init:function()
{var opok=(!window.opera||window.opera&&opera.buildNumber&&opera.buildNumber()>3800)?true:false;
if(document.createElement&&document.body&&typeof document.body.appendChild!="undefined"&&opok)
  {var el=document.createElement("DIV");el.id=this.ID;
    document.body.appendChild(el);
	 this.showMult=el.offsetWidth/this.showAni/this.showAni;this.hideMult=el.offsetWidth/this.hideAni/this.hideAni;
	  el.style.clip="rect(0, 0, 0, 0)";
	  el.style.visibility="visible";
	  this.ready=true;}},reveal:function(msg,e){if(this.timer)
 {clearTimeout(this.timer);this.timer=0;}if(!this.rtready)return;this.tip=document.getElementById(this.ID);
	    this.writeTip("");
		this.writeTip(msg);viewport.getAll();
		this.w=this.tip.offsetWidth;
		this.h=this.tip.offsetHeight;
		this.startTime=(new Date()).getTime();
		this.positionTip(e);if(this.followMouse)dw_event.add(document,"mousemove",this.trackMouse,true);
		this.timer=setInterval("RollTip.rollOut()",10);
		},
rollOut:function()
		{
		var elapsed=(new Date()).getTime()-this.startTime;
		 if(elapsed<this.showAni)
		  {var cv=this.w-Math.round(Math.pow(this.showAni-elapsed,2)*this.showMult);
		   this.clipTo(0,cv,this.h,0);
		   }
		   else
		   {
		   this.clipTo(0,this.w,this.h,0);
		   clearInterval(this.timer);
		   this.timer=0;
		   }
		   },
conceal:function()
		   {
		   if(this.timer)
		   {
		   clearTimeout(this.timer);
		   this.timer=0;
		   }
		   this.startTime=(new Date()).getTime();
		   if(this.followMouse)dw_event.remove(document,"mousemove",this.trackMouse,true);
		   this.timer=setInterval("RollTip.rollUp()",10);
		   },
rollUp:function()
		   {
		   var elapsed=(new Date()).getTime()-this.startTime;
		   if(elapsed<this.hideAni)
		   {
		   var cv=Math.round(Math.pow(this.hideAni-elapsed,2)*this.hideMult);
		   this.clipTo(0,cv,this.h,0);
		   }
		   else
		   {
		   this.clipTo(0,0,this.h,0);clearInterval(this.timer);
		   this.timer=0;this.tip=null;
		   }
		   },
writeTip:function(msg)
		   {
		   if(this.tip&&typeof this.tip.innerHTML!="undefined")this.tip.innerHTML=msg;
		   },
clipTo:function(top,rt,btm,lft)
		   {
		   if(this.tip&&this.tip.style)this.tip.style.clip="rect("+top+"px, "+rt+"px, "+btm+"px, "+lft+"px)";}};
		   RollTip.positionTip=function(e)
		   {
		   var x=e.pageX?e.pageX:e.clientX+viewport.scrollX;
		   var y=e.pageY?e.pageY:e.clientY+viewport.scrollY;
		    if(x+this.tip.offsetWidth+this.offX>viewport.width+viewport.scrollX)
			{
			 x=x-this.tip.offsetWidth-this.offX;
			 }
			 else x=x+this.offX;
			  if(y+this.tip.offsetHeight+this.offY>viewport.height+viewport.scrollY)
			  {
			  y=y-this.tip.offsetHeight-this.offY;
			   if(y<viewport.scrollY)y=viewport.height+viewport.scrollY-this.tip.offsetHeight;
			   }
			   else y=y+this.offY;this.tip.style.left=x+"px";
			   this.tip.style.top=y+"px";
			   };
			   RollTip.trackMouse=function(e)
			   {
			   e=dw_event.DOMit(e);RollTip.positionTip(e);};
RollTip.rtready=true;