<!--

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);
}

var is = new Is();

if(is.ns4) {
    doc = "document";
    sty = "";
    htm = ".document"
    xpos = "e.pageX";
    ypos = "e.pageY";
} else if(is.ie4) {
    doc = "document.all";
    sty = ".style";
    htm = ""
    xpos = "event.x";
    ypos = "event.y";
}

contentLyr = eval(doc + '["contentLayer"]' + sty);
contentLyr.left = 10;
contentLyr.top = 0;
arrowLyr = eval(doc + '["arrowLayer"]' + sty);
arrowLyr.left = 315;
arrowLyr.top = 10;
estupidoLyr = eval(doc + '["estupidoLayer"]' + sty);
estupidoLyr.left = 0;
estupidoLyr.top = 0;
eventLyr = eval(doc + '["eventLayer"]' + sty);
eventLyr.left = 290;
eventLyr.top = 0;

contentHTML = eval(doc + '["contentLayer"]' + htm);
eventArea = eval(doc + '["eventLayer"]' + htm);
arrowHTML = eval(doc + '["arrowLayer"]' + '.document');

// Logo animation
var page_height = page_height = (is.ns4) ? contentHTML.height : contentHTML.offsetHeight;

var Xpos = 315;
var Ypos = 10;


 
eventArea.onmouseup = mouseUp;
eventArea.onmousedown = mouseDown;
eventArea.onmousemove = mouseMove;

if (is.ns4) {
eventArea.captureEvents(Event.MOUSEMOVE || Event.MOUSEDOWN || Event.MOUSEUP)
}

// WHAT TO DO WHEN THE MOUSE MOVES (for use with page scroller)

function mouseMove(e) {
    Ypos = eval(ypos);
    if(drag) {
      if (available_height<page_height) {
        if (Ypos > 5 && Ypos < available_height) {
            contentLyr.top = (20-available_height+page_height) * - (Ypos/available_height);
            arrowLyr.top = Ypos - 20;
        }
       }
    }
}

var drag = false;

// WHAT TO DO WHEN THE MOUSE IS CLICKED (for use with page scroller)

function mouseDown(e) {
    Ypos = eval(ypos);
    page_height = (is.ns4) ? contentHTML.height : contentHTML.offsetHeight;
//	if(Ypos > parseInt(arrowLyr.top) && Ypos < parseInt(arrowLyr.top)+150) {
        drag = true;
	   arrowHTML.arrowmoon.src='scrol_b.gif';
    //}
}

// WHAT TO DO WHEN THE MOUSE IS RELEASED (for use with page scroller)

function mouseUp(e) {
    drag = false;
	arrowHTML.arrowmoon.src='scrol_ani.gif';	
}


//-->