var sh;
marqueesWidth=830;
preLeft=0; currentLeft=0; stopscroll=false; getlimit=0;preTop=0; currentTop=0;

function scrollLeft() {
    var maruees = document.getElementById("marquees");
    var srbtn = document.getElementById("srbtn");
    var slbtn = document.getElementById("slbtn");
    
	if(stopscroll==true) return;
	preLeft=marquees.scrollLeft;
	marquees.scrollLeft+=2;
	srbtn.src = "skin/hepc/rightb.gif"
	if(preLeft==marquees.scrollLeft)
	{
		//marquees.scrollLeft=templayer.offsetWidth-marqueesWidth+1;
	    slbtn.src = "skin/hepc/lefta.gif"
	}
}

function scrollRight() {

    var maruees = document.getElementById("marquees");
    var srbtn = document.getElementById("srbtn");
    var slbtn = document.getElementById("slbtn");

    if (stopscroll == true) return;
	
	preLeft=marquees.scrollLeft;
	marquees.scrollLeft-=2;
	slbtn.src = "skin/hepc/leftb.gif"
	if(preLeft==marquees.scrollLeft)
	{
	  
		if(!getlimit)
		{
			marquees.scrollLeft=templayer.offsetWidth*2;
			getlimit=marquees.scrollLeft;
			
		}
		srbtn.src = "skin/hepc/righta.gif"		
		marquees.scrollLeft-=1;
	}
}

function Left()
{
	stopscroll = false;
	sh = setInterval("scrollLeft()",20);
}

function Right()
{
	stopscroll = false;
	sh = setInterval("scrollRight()",20);
}

function StopScroll()
{
	stopscroll = true;
	clearInterval( sh );
}



function init() {

    var maruees = document.getElementById("marquees");
	with(marquees)
	{
	    marquees.style.height = 0;
	    marquees.style.width = marqueesWidth;
	    marquees.style.overflowX = "hidden";
	    marquees.style.overflowY = "visible";
	    marquees.style.align = "center";
		noWrap=true;
	}
}