function preloadArrows() {
	if (document.images) {
		over_arrow_up = newPict("images/common/arrow_up-hot.gif");
		over_arrow_down = newPict("images/common/arrow_down-hot.gif");
		over_play = newPict("images/common/play-hot.gif");
		over_popup = newPict("images/common/popup-hot.gif");
	}
}

function rollOverArrows(arg1,arg2){
	document[arg1].src = 'images/common/' + arg2;
}


if (iens6){
	document.write('</div></div>');
	var crossobj=document.getElementById? document.getElementById("content") : document.all.content;
	var contentheight=crossobj.offsetHeight;
}else if (ns4){
	var crossobj=document.nscontainer.document.nscontent;
	var contentheight=crossobj.clip.height;
}
//scrollHeight is var from parent page
function movedown(){
	stopMovie();
	if (window.moveupvar){
		clearTimeout(moveupvar);
	}
	if(iens6&&parseInt(crossobj.style.top)>=(contentheight*(-1) + scrollHeight)){
		crossobj.style.top=parseInt(crossobj.style.top)-speed+"px";
	}else if(ns4&&crossobj.top>=(contentheight*(-1)+ scrollHeight)){
		crossobj.top-=speed;
	}
	movedownvar=setTimeout("movedown()",20);
}

function moveup(){
	stopMovie();
	if (window.movedownvar){
		clearTimeout(movedownvar);
	}
	if(iens6&&parseInt(crossobj.style.top)<0){
		crossobj.style.top=parseInt(crossobj.style.top)+speed+"px";
	}else if (ns4&&crossobj.top<0){
		crossobj.top+=speed;
	}
	moveupvar=setTimeout("moveup()",20);
}

function stopscroll(){
	if (window.moveupvar){
		clearTimeout(moveupvar);
	}
	if (window.movedownvar){
		clearTimeout(movedownvar);
	}
}

function movetop(){
	stopscroll();
	if (iens6){
		crossobj.style.top=0+"px";
	}else if (ns4){
		crossobj.top=0;
	}
}

function getcontent_height(){
	if (iens6){
		contentheight=crossobj.offsetHeight;
	}else if (ns4){
		document.nscontainer.document.nscontent.visibility="show";
	}
}
window.onload=getcontent_height;