var ipmap={
disableanchorlink: false,
hidedivmouseout: [true, 1500],

getposOffset:function(what, offsettype){
	return (what.offsetParent)? what[offsettype]+this.getposOffset(what.offsetParent, offsettype) : what[offsettype]
},

isContained:function(m, e){
	var e=window.event || e
	var c=e.relatedTarget || ((e.type=="mouseover")? e.fromElement : e.toElement)
	while (c && c!=m)try {c=c.parentNode} catch(e){c=m}
	if (c==m)
		return true
	else
		return false
},

show:function(anchorobj, subobj, e){
	if (!this.isContained(anchorobj, e)){
		var e=window.event || e
		if (e.type=="click" && subobj.style.visibility=="visible"){
			subobj.style.visibility="hidden"
			return
		}
		var horizontaloffset=(subobj.dropposition[0]=="left")? -(subobj.offsetWidth-anchorobj.offsetWidth) : 0
		var verticaloffset=(subobj.dropposition[1]=="top")? -subobj.offsetHeight : anchorobj.offsetHeight
		subobj.style.left=this.getposOffset(anchorobj, "offsetLeft") + horizontaloffset + "px"
		subobj.style.top=this.getposOffset(anchorobj, "offsetTop")+verticaloffset+"px"
		subobj.style.clip=(subobj.dropposition[1]=="top")? "rect(auto auto auto 0)" : "rect(0 auto 0 0)"
		subobj.style.visibility="visible"
		subobj.startTime=new Date().getTime()
		subobj.contentheight=parseInt(subobj.offsetHeight)
		if (typeof window["hidetimer_"+subobj.id]!="undefined")
			clearTimeout(window["hidetimer_"+subobj.id])
		this.slideengine(subobj, (subobj.dropposition[1]=="top")? "up" : "down")
	}
},

curveincrement:function(percent){
	return (1-Math.cos(percent*Math.PI)) / 2
},

slideengine:function(obj, direction){
	var elapsed=new Date().getTime()-obj.startTime
	if (elapsed<obj.glidetime){
		var distancepercent=(direction=="down")? this.curveincrement(elapsed/obj.glidetime) : 1-this.curveincrement(elapsed/obj.glidetime)
		var currentclip=(distancepercent*obj.contentheight)+"px"
		obj.style.clip=(direction=="down")? "rect(0 auto "+currentclip+" 0)" : "rect("+currentclip+" auto auto 0)"
		window["glidetimer_"+obj.id]=setTimeout(function(){ipmap.slideengine(obj, direction)}, 10)
	}
	else{
		obj.style.clip="rect(0 auto auto 0)"
	}
},

hide:function(activeobj, subobj, e){
	if (!ipmap.isContained(activeobj, e)){
		window["hidetimer_"+subobj.id]=setTimeout(function(){
			subobj.style.visibility="hidden"
			subobj.style.left=subobj.style.top=0
			clearTimeout(window["glidetimer_"+subobj.id])
		}, ipmap.hidedivmouseout[1])
	}
},

hidediv:function(subobjid){
	document.getElementById(subobjid).style.visibility="hidden"
},

init:function(anchorid, pos, glidetime, revealbehavior){
	var anchorobj=document.getElementById(anchorid)
	var subobj=document.getElementById(anchorobj.getAttribute("rel"))
	var subobjsource=anchorobj.getAttribute("rev")
	subobj.dropposition=pos.split("-")
	subobj.glidetime=glidetime || 1000
	subobj.style.left=subobj.style.top=0
	if (typeof revealbehavior=="undefined" || revealbehavior=="mouseover"){
		anchorobj.onmouseover=function(e){ipmap.show(this, subobj, e)}
		anchorobj.onmouseout=function(e){ipmap.hide(subobj, subobj, e)}
		if (this.disableanchorlink) anchorobj.onclick=function(){return false}
	}
	else
		anchorobj.onclick=function(e){ipmap.show(this, subobj, e); return false}
	if (this.hidedivmouseout[0]==true)
		subobj.onmouseout=function(e){ipmap.hide(this, subobj, e)}
}
}
ipmap.init("ipmlnk", "right-bottom", 200, "mouseover");

