function imgpreload() {

// Rollover images in the main nav
	
	  arImageSrc = new Array (
          "_assets/_img/nav/index_off.jpg",
          "_assets/_img/nav/index_on.jpg",
          "_assets/_img/nav/clients_off.jpg",
          "_assets/_img/nav/clients_on.jpg",
          "_assets/_img/nav/contact_off.jpg",
          "_assets/_img/nav/contact_on.jpg",
          "_assets/_img/nav/process_off.jpg",
          "_assets/_img/nav/process_on.jpg",
          "_assets/_img/nav/services_off.jpg",
          "_assets/_img/nav/services_on.jpg"
    )

    arImageList = new Array ();

    for (arCounter in arImageSrc) {
        arImageList[arCounter] = new Image();
        arImageList[arCounter].src = arImageSrc[arCounter];
    }	
}

function hideall(linkcase) {
    for(i=1;i<=9;i++) {
        var div_id = "case"+i;
        box_id = "img_box"+i;
        $(div_id).hide();
        $(box_id).hide();
        var anchor_id = "c"+i;
        $(anchor_id).style.textDecoration = "none";
        var caselink = "caselink"+i;
        $(caselink).style.backgroundImage = "";    
    }
    var casestudy = "case"+linkcase;
    var caselink = "caselink"+linkcase;
    var anchor_id = "c"+linkcase;
    var imgbox = "img_box"+linkcase;
    linkcase += 1;
    $(anchor_id).style.textDecoration = "underline";
    $(imgbox).show();
    $(casestudy).show();
    $(caselink).style.backgroundImage = "url(_assets/_img/Clients_arrow.gif)";    
    $(caselink).style.backgroundRepeat = "no-repeat";    
}