var disappeardelay=250  //tooltip disappear delay (in miliseconds)
var verticaloffset=-145 //vertical offset of tooltip from anchor link, if any
var enablearrowhead=0 //0 or 1, to disable or enable the arrow image
var arrowheadimg=["/images/arrowdown.gif", "/images/arrowup.gif"] //path to down and up arrow images
var arrowheadheight=5 //height of arrow image (amount to reveal)

/////No further editting needed

var ie=document.all
var ns6=document.getElementById&&!document.all
verticaloffset=(enablearrowhead)? verticaloffset+arrowheadheight : verticaloffset

function getposOffset(what, offsettype){
    var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
    var parentEl=what.offsetParent;
    while (parentEl!=null){
        totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
        parentEl=parentEl.offsetParent;
    }
    return totaloffset;
}


//------------------------------------------
function showhide(obj, e){
    dropmenuobj.style.left=dropmenuobj.style.top="-500px"
    if (e.type=="mouseover")
    obj.visibility="visible"
}
//------------------------------------------
function iecompattest(){
    return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

//------------------------------------------
function clearbrowseredge(obj, whichedge){
    if (whichedge=="rightedge"){
        edgeoffsetx=0
        var windowedge=ie && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
        dropmenuobj.contentmeasure = dropmenuobj.offsetWidth
        if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
            edgeoffsetx=dropmenuobj.contentmeasure-obj.offsetWidth
        return edgeoffsetx
    }
    else{
        edgeoffsety=0
        var topedge=ie && !window.opera? iecompattest().scrollTop : window.pageYOffset
        var windowedge=ie && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
        dropmenuobj.contentmeasure = dropmenuobj.offsetHeight
        if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure) //move up?
            edgeoffsety=dropmenuobj.contentmeasure+obj.offsetHeight+(verticaloffset*2)
        return edgeoffsety
    }
}

//------------------------------------------
function displayballoontip(obj, e){ //main ballooon tooltip function
    if (window.event) event.cancelBubble=true
    else if (e.stopPropagation) e.stopPropagation()
    
    if (typeof dropmenuobj!="undefined") //hide previous tooltip?
        dropmenuobj.style.visibility="hidden"
        
    clearhidemenu()
    //obj.onmouseout=delayhidemenu
    dropmenuobj = document.getElementById(obj.getAttribute("tiptext"))
    showhide(dropmenuobj.style, e)
    dropmenuobj.x = getposOffset(obj, "left")
    dropmenuobj.y = getposOffset(obj, "top") + verticaloffset
    dropmenuobj.style.left = dropmenuobj.x - clearbrowseredge(obj, "rightedge") + "px"
    dropmenuobj.style.top = dropmenuobj.y - clearbrowseredge(obj, "bottomedge") + obj.offsetHeight + "px"
    
    
    
    if (enablearrowhead){
        displaytiparrow()
    }
}
//------------------------------------------
function displaytiparrow(){ //function to display optional arrow image associated with tooltip
    tiparrow=document.getElementById("arrowhead")
    tiparrow.src=(edgeoffsety!=0)? arrowheadimg[0] : arrowheadimg[1]
    var ieshadowwidth=(dropmenuobj.filters && dropmenuobj.filters[0])? dropmenuobj.filters[0].Strength-1 : 0
    //modify "left" value depending on whether there's no room on right edge of browser to display it, respectively
    tiparrow.style.left=(edgeoffsetx!=0)? parseInt(dropmenuobj.style.left)+dropmenuobj.offsetWidth-tiparrow.offsetWidth-10+"px" : parseInt(dropmenuobj.style.left)+5+"px"
    //modify "top" value depending on whether there's no room on right edge of browser to display it, respectively
    tiparrow.style.top=(edgeoffsety!=0)? parseInt(dropmenuobj.style.top)+dropmenuobj.offsetHeight-tiparrow.offsetHeight-ieshadowwidth+arrowheadheight+"px" : parseInt(dropmenuobj.style.top)-arrowheadheight+"px"
    tiparrow.style.visibility="visible"
}
//------------------------------------------
function delayhidemenu(){
    delayhide=setTimeout("dropmenuobj.style.visibility='hidden'; dropmenuobj.style.left=0; if (enablearrowhead) tiparrow.style.visibility='hidden'",disappeardelay)
}
//------------------------------------------
function clearhidemenu(){
    if (typeof delayhide!="undefined"){
        clearTimeout(delayhide)
    }
}
//------------------------------------------
function tipTextToElement(linkobj){ //tests if a link has "tiptext" defined and it's the ID of an element on page
    var ttValue=linkobj.getAttribute("tiptext")
    return (ttValue!=null && ttValue!="" && document.getElementById(ttValue)!=null && document.getElementById(ttValue).className=="balloonstyle")? true : false
}
//------------------------------------------
function initalizetooltip(){
    var all_links = document.getElementsByTagName("a")
    if (enablearrowhead){
        tiparrow = document.createElement("img")
        tiparrow.setAttribute("src", arrowheadimg[0])
        tiparrow.setAttribute("id", "arrowhead")
        document.body.appendChild(tiparrow)
    }

    for (var i=0; i<all_links.length; i++){
        if (tipTextToElement(all_links[i])){ //if link has "tiptext" defined and it's the ID of an element on page
            all_links[i].onmouseover=function(e){
                var evtobj=window.event? window.event : e
                displayballoontip(this, evtobj)
            }
            all_links[i].onmouseout=delayhidemenu
        }
    }
}

if (window.addEventListener)
    window.addEventListener("load", initalizetooltip, false)
else if (window.attachEvent)
    window.attachEvent("onload", initalizetooltip)
else if (document.getElementById)
    window.onload=initalizetooltip




//------------------------ Following functions are for dialog box ------------------------


//----------------------------------------------------------------------------------
function getposOffset(overlay, offsettype){
	var totaloffset=(offsettype=="left")? overlay.offsetLeft : overlay.offsetTop;
	var parentEl=overlay.offsetParent;
	while (parentEl!=null){
		totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
		parentEl=parentEl.offsetParent;
	}
	return totaloffset;
}


function overlay(curobj, subobjstr, opt_position){
	if (document.getElementById){
		var subobj=document.getElementById(subobjstr)
		subobj.style.display=(subobj.style.display!="block")? "block" : "none"
		var xpos=getposOffset(curobj, "left")+((typeof opt_position!="undefined" && opt_position.indexOf("right")!=-1)? -(subobj.offsetWidth-curobj.offsetWidth) : 0) 
		var ypos=getposOffset(curobj, "top")+((typeof opt_position!="undefined" && opt_position.indexOf("bottom")!=-1)? curobj.offsetHeight : 0) + verticaloffset
		subobj.style.left=xpos+"px"
		subobj.style.top=ypos+"px"
		return false
	}
	else
	return true
}


function overlayclose(subobj){
	document.getElementById(subobj).style.display="none"
}


function toggleLayer(blockName, styleName){

    var style2
    if (document.getElementById){
        // this is the way the standards work
        style2 = document.getElementById(blockName).style;
    }else if (document.all){
        // this is the way old msie versions work
        style2 = document.all[blockName].style;
    }else if (document.layers){
        // this is the way nn4 works
        style2 = document.layers[blockName].style;
    }

    style2.display = styleName;
}