/*************************************************************************
  dw_tooltip_sel.js, dw_tooltip.js with integrated select list overlay 
  requires: dw_event.js and dw_viewport.js
  version date: May 2005 
  
  This code is from Dynamic Web Coding at dyn-web.com
  Copyright 2003-5 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!
*************************************************************************/

/*  Readable code available for licensed users */

var Tooltip = {
    followMouse: true,
    overlaySelects: true,  // iframe shim for select lists (ie win)
    offX: 8,
    offY: 12,
    showDelay: 100,
    hideDelay: 200,
tipID:"tipDiv",ovTimer:0,ready:false,timer:null,tip:null,shim:null,supportsOverlay:false,init:function(){if(document.createElement&&document.body&&typeof document.body.appendChild!="undefined"){var el=document.createElement("DIV");el.id=this.tipID;document.body.appendChild(el);this.supportsOverlay=this.checkOverlaySupport();this.ready=true;}},show:function(e,msg){if(this.timer){clearTimeout(this.timer);this.timer=0;}this.tip=document.getElementById(this.tipID);if(this.followMouse)dw_event.add(document,"mousemove",this.trackMouse,true);this.writeTip("");this.writeTip(msg);viewport.getAll();this.handleOverlay(1,this.showDelay);this.positionTip(e);this.timer=setTimeout("Tooltip.toggleVis('"+this.tipID+"', 'visible')",this.showDelay);},writeTip:function(msg){if(this.tip&&typeof this.tip.innerHTML!="undefined")this.tip.innerHTML=msg;},hide:function(){if(this.timer){clearTimeout(this.timer);this.timer=0;}this.handleOverlay(0,this.hideDelay);this.timer=setTimeout("Tooltip.toggleVis('"+this.tipID+"', 'hidden')",this.hideDelay);if(this.followMouse)dw_event.remove(document,"mousemove",this.trackMouse,true);this.tip=null;},toggleVis:function(id,vis){var el=document.getElementById(id);if(el)el.style.visibility=vis;}};Tooltip.positionTip=function(e){if(this.tip&&this.tip.style){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;if(x<0)x=0;}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";}this.positionOverlay();};Tooltip.trackMouse=function(e){e=dw_event.DOMit(e);Tooltip.positionTip(e);};Tooltip.checkOverlaySupport=function(){if(navigator.userAgent.indexOf("Windows")!=-1&&typeof document.body!="undefined"&&typeof document.body.insertAdjacentHTML!="undefined"&&!window.opera&&navigator.appVersion.indexOf("MSIE 5.0")==-1)return true;else return false;};Tooltip.handleOverlay=function(bVis,d){if(this.overlaySelects&&this.supportsOverlay){if(this.ovTimer){clearTimeout(this.ovTimer);this.ovTimer=0;}switch(bVis){case 1:if(!document.getElementById('tipShim'))document.body.insertAdjacentHTML("beforeEnd",'<iframe id="tipShim" src="about:blank" style="position:absolute; left:0; top:0; z-index:500; visibility:hidden" scrolling="no" frameborder="0"></iframe>');this.shim=document.getElementById('tipShim');if(this.shim&&this.tip){this.shim.style.width=this.tip.offsetWidth+"px";this.shim.style.height=this.tip.offsetHeight+"px";}this.ovTimer=setTimeout("Tooltip.toggleVis('tipShim', 'visible')",d);break;case 0:this.ovTimer=setTimeout("Tooltip.toggleVis('tipShim', 'hidden')",d);if(this.shim)this.shim=null;break;}}};Tooltip.positionOverlay=function(){if(this.overlaySelects&&this.supportsOverlay&&this.shim){this.shim.style.left=this.tip.style.left;this.shim.style.top=this.tip.style.top;}};Tooltip.init();