/***********************************************
* AnyLink Drop Down Menu- © Dynamic Drive (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

// Contents for Firm Profile Menu
var FirmProfileMenu=new Array()
FirmProfileMenu[0]='<a href="firm_profile.php#company_history">Company History</a>'
FirmProfileMenu[1]='<a href="firm_profile.php#staff">Staff</a>'
FirmProfileMenu[2]='<a href="firm_profile.php#associate_office_loc">Associate Office Locations</a>'
FirmProfileMenu[3]='<a href="firm_profile.php#equipment">Equipment</a>'
FirmProfileMenu[4]='<a href="firm_profile.php#professional_affiliations">Professional Affiliations</a>'
FirmProfileMenu[5]='<a href="firm_profile.php#press_releases">Press Releases</a>'

// Contents for GPR menu
var GPRmenu=new Array()
GPRmenu[0]='<a href="how_does_gpr_work.php">How does GPR work?</a>'

// Contents for Services menu
var ServicesMenu=new Array();
ServicesMenu[0]='<a href="services_ndconcrete.php">Concrete Non-destructive Testing</a>'
ServicesMenu[1]='<a href="services_utilitymapping.php">Utility Locating and Mapping</a>'
ServicesMenu[2]='<a href="services_cemeterymapping.php">Cemetery Mapping</a>'
ServicesMenu[3]='<a href="services_bridgeinspect.php">Bridge Inspection</a>'
ServicesMenu[4]='<a href="services_geological.php">Geological</a>'

// Contents for Career Opportunities menu
var COMenu=new Array();
COMenu[0]='<a href="career_opportunities.php#employment">Employment</a>'
COMenu[1]='<a href="career_opportunities.php#business_ownership_opportunities">Business Ownership Opportunities</a>'

// Contents for Contact Us menu
var ContactUsMenu=new Array();
ContactUsMenu[0]='<a href="contact_us.php#request_for_proposal">Request for Proposal</a>'
ContactUsMenu[1]='<a href="contact_us.php#request_information">Request Information</a>'
ContactUsMenu[2]='<a href="contact_us.php#contact_information">Contact Information</a>'
		
var menuwidth='165px' //default menu width
var menubgcolor='white'  //menu bgcolor
var disappeardelay=250  //menu disappear speed onMouseout (in miliseconds)
var hidemenu_onclick="yes" //hide menu when user clicks within menu?

/////No further editing needed.//

var ie4=document.all
var ns6=document.getElementById&&!document.all

if (ie4||ns6)
    document.write('<div id="dropmenudiv" style="visibility:hidden;width:'+menuwidth+';background-color:'+menubgcolor+'" onMouseover="clearhidemenu()" onMouseout="dynamichide(event)"></div>')

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, visible, hidden, menuwidth){
    
    if (ie4||ns6)
        dropmenuobj.style.left=dropmenuobj.style.top="-500px"
    
    if (menuwidth!=""){
        dropmenuobj.widthobj=dropmenuobj.style
        dropmenuobj.widthobj.width=menuwidth
    }
    
    if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
        obj.visibility=visible
    else if (e.type=="click")
        obj.visibility=hidden
}

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

function clearbrowseredge(obj, whichedge){

    var edgeoffset=0

    if (whichedge=="rightedge"){
       
        var windowedge=ie4 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
        
        dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
        if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
            edgeoffset=dropmenuobj.contentmeasure-obj.offsetWidth
    } else {

        var topedge=ie4 && !window.opera? iecompattest().scrollTop : window.pageYOffset
        var windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
        
        dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
        
        if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure){ //move up?
            edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
    
            if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either?
                edgeoffset=dropmenuobj.y+obj.offsetHeight-topedge
                
        }
    }
    
    return edgeoffset
}

function populatemenu(what){
    if (ie4||ns6)
        dropmenuobj.innerHTML=what.join("")
}


function dropdownmenu(obj, e, menucontents, menuwidth){
    
    if (window.event) event.cancelBubble=true
    else if (e.stopPropagation) e.stopPropagation()
        clearhidemenu()
        dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
        populatemenu(menucontents)

    if (ie4||ns6){
        showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth)
        dropmenuobj.x=getposOffset(obj, "left")
        dropmenuobj.y=getposOffset(obj, "top")
        dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
        dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"px"
    }

    return clickreturnvalue()

}

function clickreturnvalue(){
    if (ie4||ns6) return false
    else return true
}

function contains_ns6(a, b) {

    while (b.parentNode)
        if ((b = b.parentNode) == a)
        return true;

        return false;
}

function dynamichide(e){
    if (ie4&&!dropmenuobj.contains(e.toElement))
        delayhidemenu()
    else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
        delayhidemenu()
}

function hidemenu(e){
    if (typeof dropmenuobj!="undefined"){
        if (ie4||ns6)
            dropmenuobj.style.visibility="hidden"
    }
}

function delayhidemenu(){
    if (ie4||ns6)
        delayhide=setTimeout("hidemenu()",disappeardelay)
}

function clearhidemenu(){
    if (typeof delayhide!="undefined")
        clearTimeout(delayhide)
}

if (hidemenu_onclick=="yes")
    document.onclick=hidemenu