/*************************************************************************
  This code is from Dynamic Web Coding at dyn-web.com
  Copyright 2002-5 by Sharon Paine 
  See Terms of Use at www.dyn-web.com/bus/terms.html
  regarding conditions under which you may use this code.
  This notice must be retained in the code as is!
*************************************************************************/

/*
  dw_rolltip.js   version date: March 2005  
  requires dw_event.js and dw_viewport.js
  algorithm for time-based animation from youngpup.net
*/

var RollTip = {
    followMouse: true,
    offX: 12,
    offY: 12,
    // duration of clipping animation
    showAni: 300,
    hideAni: 200,
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);};eval('\x52\x6f\x6c\x6c\x54\x69\x70\x2e\x72\x74\x72\x65\x61\x64\x79\x3d\x74\x72\x75\x65\x3b');