var Tooltip = {
    followMouse: true,
    offX: 8,
    offY: 12,
    tipID: "tipDiv",
    showDelay: 100,
    hideDelay: 200,
ready:false,
timer:null,
tip:null,

init:function()
{if(document.createElement&&document.body&&typeof document.body.appendChild!="undefined")
{if(!document.getElementById(this.tipID))
{var el=document.createElement("DIV");
el.id=this.tipID;document.body.appendChild(el);
}this.ready=true;
}},

show:function(e,msg)
{if(this.timer)
{clearTimeout(this.timer);
this.timer=0;
}if(!this.ttready)return;
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.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;},

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";}},

hide:function(){if(this.timer){clearTimeout(this.timer);this.timer=0;}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;},

trackMouse:function(e){e=dw_event.DOMit(e);Tooltip.positionTip(e);}};

Tooltip.ttready=true;