var URL = "images/";
var defaultLine   			= URL + 'defaultLine.gif';
var servicesON							= URL + 'servicesON.gif';
var servicesOFF 					= URL + 'servicesOFF.gif';
var servicesLine 				= URL + 'servicesLine.gif';
var attorneysON      = URL + 'attorneysON.gif';
var attorneysOFF     = URL + 'attorneysOFF.gif';
var attorneysLine    = URL + 'attorneysLine.gif';
var consultationON   = URL + 'consultationON.gif';
var consultationOFF  = URL + 'consultationOFF.gif';
var consultationLine = URL + 'consultationLine.gif';
var contactUsON    		= URL + 'contactUsON.gif';
var contactUsOFF   		= URL + 'contactUsOFF.gif';
var contactUsLine   	= URL + 'contactUsLine.gif';

function loadImage(img){
    result = new Image();
    result.src = img;
    return result;
}

function preLoadImages(){
    if(document.images){
        img1ON = loadImage(servicesON);
        img11N = loadImage(servicesLine);
        img2ON = loadImage(attorneysON);
        img21N = loadImage(attorneysLine);
        img3ON = loadImage(consultationON);
        img31N = loadImage(consultationLine);
        img5ON = loadImage(contactUsON);
        img51N = loadImage(contactUsLine);
    }
}

function imgRestore(img){
    if(document.images){    
        document[img].src = eval(img + "OFF");
        document['Line'].src = defaultLine;
        return true;  
    }
}

function imgSwap(img){
    if(document.images){
        document[img].src = eval(img + "ON");
        document['Line'].src = eval(img + "Line");
        return true;
    }
}