/////////////////////////////////////////////////////
//                                                 //
//  SECTION 5: BROWSER SNIFFER & DOMS                                //
//  ---------------------------------------------  //
//  Document Object switch routine use to          //
//  maintain cross-browser compatibility.          //
//                                                 //
/////////////////////////////////////////////////////


// BROWSER SNIFFER (Sniff out the good and bad browsers)

function Is() {
    var agent = navigator.userAgent.toLowerCase();
    this.major = parseInt(navigator.appVersion);
    this.minor = parseFloat(navigator.appVersion);
    this.ns  = ((agent.indexOf('mozilla')!=-1) && ((agent.indexOf('spoofer')==-1) && (agent.indexOf('compatible') == -1)));
    this.ns2 = (this.ns && (this.major == 2));
    this.ns3 = (this.ns && (this.major == 3));
    this.ns4b = (this.ns && (this.minor < 4.04));
    this.ns4 = (this.ns && (this.major >= 4));
    this.ie   = (agent.indexOf("msie") != -1);
    this.ie3  = (this.ie && (this.major == 2));
    this.ie4  = (this.ie && (this.major >= 4));
    this.op3 = (agent.indexOf("opera") != -1);
    this.win   = (agent.indexOf("win")!=-1);
    this.mac   = (agent.indexOf("mac")!=-1);
    this.unix  = (agent.indexOf("x11")!=-1);
}

var is = new Is();

function onerror() {
    document.location.href = "javascript:";
}

// DOCUMENT OBJECT SWITCH (Used for building cross_browser functions)

if(is.ns4) {
    doc = "document";
    sty = "";
    htm = ".document"
} else if(is.ie4) {
    doc = "document.all";
    sty = ".style";
    htm = ""
}

/////////////////////////////////////////////////////
//                                                 //
//  SECTION 6: PRELOADING                          //
//  ---------------------------------------------  //
//  Preload images memory for realtime animation.  //
//                                                 //
/////////////////////////////////////////////////////

var count = 0;

function preLoad() {
    mosaic1 = new Image();

    mosaic1.src = "images/mosaic_1.jpg";

    mosaic2 = new Image();

    mosaic2.src = "images/mosaic_2.jpg";

    mosaic3 = new Image();

    mosaic3.src = "images/mosaic_3.jpg";

    mosaic4 = new Image();

    mosaic4.src = "images/mosaic_4.jpg";

    icon = new Image();
 
    icon.src = "images/rightsmapsicon.jpg";

}