var x = 0;
	var y = 0;
	var limdex = 1340;
	var dest = 0;
	var distance = 0;
	var step = 0;
	var destination = 0;
	var on = true;
/*
function scrollit(destination) {
	step = 2;
	dest = destination;
	if (x<dest && x < limdex){
		while (x<dest) {
			step += (step / 7);
			x += step;
			parent.frames[0].scroll(x,0);
		}  
                        // top.main.scroll(dest,0);
		if(dest <=limdex) { parent.frames[0].scroll(dest,0); }
		x = dest;
	}
	if (x > dest)  {
		while (x>dest) {
			step += (step / 7);
			if(x >= (0+step)) { x -= step; parent.frames[0].scroll(x,0); }
			else break;
		}
		if(dest >= 0) { parent.frames[0].scroll(dest,0); }
		x = dest;
	}
	if (x<1) { parent.frames[0].scroll(1,0); x=1 }
	if (x>limdex) { parent.frames[0].scroll(limdex,0); x=limdex }
	x = dest;
}
*/
//运行
function scrollnow() {
	if (on){
		if (x < limdex && x >= 0 ) {              
			parent.frames[0].scroll(x,0);
			 x = x + 0.8;
			 setTimeout('scrollnow()', 8);
		}else if (x < 0) {
            x = limdex;
            scrollnow();
        } else {
            x=0;
            scrollnow();
         }
    }
}



// *********************************
// 去掉原来的stopscroll()
function stopscroll() {
	if (on){
		on = false;
	}else {
		on = true;
		scrollnow();
	}      
}
//开始.onmouseout
function startscroll() { 
	on = true; 
	scrollnow(); 
}

function stop_start() { 
	if (on){ 
		on = false;
	}else {
		on = true;scrollnow();
	}
}