var tooltip_area = "<img src='/images/tooltip-area.gif' width='164' height='148' alt=''>";
var tooltip_yard = "<b>What is a yard?</b>1 yard of ground cover at 3 inches/7.5cm depth = 108sq/ft or 10 sq/m";
var tooltip_bedload = "<b>What is a bedload?</b>A bedload consists of very dense materials such as concrete or gravel. For safety reasons, a truck may only be loaded to a depth of one foot. Our \"bedload\" rates apply to this type of load.";


/* Do some browser detection */
var dom = (document.getElementById) ? true : false;
var ns5 = ((navigator.userAgent.indexOf("Gecko")>-1) && dom) ? true: false;
var ie5 = ((navigator.userAgent.indexOf("MSIE")>-1) && dom) ? true : false;
var ns4 = (document.layers && !dom) ? true : false;
var ie4 = (document.all && !dom) ? true : false;
var nodyn = (!ns5 && !ns4 && !ie4 && !ie5) ? true : false;


document.onmousemove = trackMouse;
var tipFollowMouse = true;;
var offX = 20;
var offY = 0;
var hintboxcreated = false;

/***********************************************
* Show Hint script- © Dynamic Drive (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for this script and 100s more.
***********************************************/
		
var horizontal_offset="20px" //horizontal offset of hint box from anchor link

/////No further editting needed

var vertical_offset="0px" //horizontal offset of hint box from anchor link. No need to change.
var ie=document.all
var ns6=document.getElementById&&!document.all

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 iecompattest(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function clearbrowseredge(obj, whichedge){
var edgeoffset=(whichedge=="rightedge")? parseInt(horizontal_offset)*-1 : parseInt(vertical_offset)*-1
if (whichedge=="rightedge"){
var windowedge=ie && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-30 : window.pageXOffset+window.innerWidth-40
dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
edgeoffset=dropmenuobj.contentmeasure+obj.offsetWidth+parseInt(horizontal_offset)
}
else{
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)
edgeoffset=dropmenuobj.contentmeasure-obj.offsetHeight
}
return edgeoffset
}

function showhint(menucontents, obj, e, tipwidth){
if (hintboxcreated) {

if ((ie||ns6) && document.getElementById("hintbox")){
dropmenuobj=document.getElementById("hintbox")
dropmenuobj.innerHTML=menucontents
dropmenuobj.style.left=dropmenuobj.style.top=-500
if (tipwidth!=""){
dropmenuobj.widthobj=dropmenuobj.style
dropmenuobj.widthobj.width=tipwidth
}
//dropmenuobj.x=getposOffset(obj, "left")
//dropmenuobj.y=getposOffset(obj, "top")
//dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+obj.offsetWidth+"px"
//dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+"px"
dropmenuobj.style.visibility="visible"
obj.onmouseout=hidetip
}

}
}

function hidetip(e){
dropmenuobj.style.visibility="hidden"
dropmenuobj.style.left="-500px"
}

function createhintbox(){
var divblock=document.createElement("div")
divblock.setAttribute("id", "hintbox")
document.body.appendChild(divblock)

hintboxcreated = true;
}

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





var mouseX, mouseY;
function trackMouse(evt) {
        mouseX = (ns4||ns5)? evt.pageX: window.event.clientX + document.body.scrollLeft;
        mouseY = (ns4||ns5)? evt.pageY: window.event.clientY + document.body.scrollTop;
        positionTip(evt);
}

/////////////////////////////////////////////////////////////
// positionTip function
// If tipFollowMouse set false, so trackMouse function
// not being used, get position of mouseover event.
// Calculations use mouseover event position,
// offset amounts and tooltip width to position
// tooltip within window.
/////////////////////////////////////////////////////////////
function positionTip(evt)
{
if (hintboxcreated) {
	dropmenuobj = document.getElementById("hintbox")

        if (!tipFollowMouse) {
                mouseX = (ns4||ns5)? evt.pageX: window.event.clientX + document.body.scrollLeft;
                mouseY = (ns4||ns5)? evt.pageY: window.event.clientY + document.body.scrollTop;
        }

        // tooltip width and height
        var tpWd = (ns4)? dropmenuobj.style.width: (ie4||ie5)? dropmenuobj.style.clientWidth: dropmenuobj.style.offsetWidth;
        var tpHt = (ns4)? dropmenuobj.style.height: (ie4||ie5)? dropmenuobj.style.clientHeight: dropmenuobj.style.offsetHeight;

        // document area in view (subtract scrollbar width for ns)
        var winWd = (ns4||ns5)? window.innerWidth-20+window.pageXOffset: document.body.clientWidth+document.body.scrollLeft;
        var winHt = (ns4||ns5)? window.innerHeight-20+window.pageYOffset: document.body.clientHeight+document.body.scrollTop;

        // check mouse position against tip and window dimensions
        // and position the tooltip
        if ((mouseX+offX+tpWd)>winWd) {
                dropmenuobj.style.left = (ns4)? mouseX-(tpWd+offX): mouseX-(tpWd+offX)+"px";
        } else {
                dropmenuobj.style.left = (ns4)? mouseX+offX: mouseX+offX+"px";
        }

        if ((mouseY+offY+tpHt)>winHt) {
                dropmenuobj.style.top = (ns4)? winHt-(tpHt+offY): winHt-(tpHt+offY)+"px";
        } else {
                dropmenuobj.style.top = (ns4)? mouseY+offY: mouseY+offY+"px";
        }

        if (! tipFollowMouse) {
                t1=setTimeout("dropmenuobj.style.visibility='visible'",50);
        }
}
}