
<!-- 

var speed = 1; // Scroll speed

var dom = document.getElementById ? true:false;
var nn4 = document.layers ? true:false;
var ie4 = document.all ? true:false;

var timer = setTimeout("",500); // Repeat variable
var contentT; // Content layer Y;
var contentH; // Content height
var contentClipH; // Content clip height
var scrollLength; // Number of pixels scrollbar should move
var startY1; // Keeps track of offset between mouse and span




// Preload
function eventLoader(){
        if(ie4){
        		
                // Height of content layer and clip layer
                contentH = document.all.content.offsetHeight;
                contentClipH = document.all.contentClip.offsetHeight;
				//contentH1 = document.all.content1.offsetHeight;
                //contentClipH1 = document.all.contentClip1.offsetHeight;
								
        }else if(nn4){
                         
                // Height of content layer and clip layer
                contentH = document.contentClip.document.content.clip.bottom;
				contentClipH = document.contentClip.clip.bottom;
                contentH1 = document.contentClip1.document.content1.clip.bottom;
				contentClipH1 = document.contentClip1.clip.bottom;

		}else if(dom){
                
                // Height of content layer and clip layer
                contentH = document.getElementById("content").offsetHeight;
                contentClipH = document.getElementById("contentClip").offsetHeight;
                document.getElementById("content").style.top = 0 + "px";
				//contentH1 = document.getElementById("content1").offsetHeight;
                //contentClipH1 = document.getElementById("contentClip1").offsetHeight;
               // document.getElementById("content1").style.top = 0 + "px";
                
        }
        
        if(nn4){
                document.captureEvents(Event.MOUSEDOWN | Event.MOUSEMOVE | Event.MOUSEUP)
                window.onresize = reloadPage;
        }
       
}



// move camada
function moveTo(){
		if(ie4){
				document.all.content.style.top = contentT;
        }else if(nn4){
                document.contentClip.document.content.top = contentT;
        }else if(dom){
                document.getElementById("content").style.top = contentT + "px";
        }
}


// acha o topo
function getT(){
        if(ie4)
                contentT = document.all.content.style.pixelTop;
        else if(nn4)
                contentT = document.contentClip.document.content.top;
        else if(dom)
                contentT = parseInt(document.getElementById("content").style.top);
}



// rolagem para cima
function scrollUp(){
        getT();
        
		if(clickUp){
                if(contentT < 0){
                                
                        contentT = contentT + speed;
                        if(contentT > 0)
                                contentT = 0;
                        
                        moveTo();
                        timer = setTimeout("scrollUp()",10);
                }
        }
        return false;
}

// rolagem para baixo
function scrollDown(){
        getT();
        
        if(clickDown){
                if(contentT > -(contentH - contentClipH)){                      
                        contentT = contentT - speed;
                        if(contentT < -(contentH - contentClipH))
                                contentT = -(contentH - contentClipH);
                        
                        moveTo();
                        timer = setTimeout("scrollDown()",10);
                }
        }
        return false;
}



// reloads page to position the layers again
function reloadPage(){
        location.reload();
}

//-->