scroll

Vad är fel på detta script?

<script language="JavaScript">
<!--
var spd = 55, scroll_x = 0, scroll_y, scroll_destx = 0, scroll_desty = 0;

	function kmh(destx,desty) { 
		scroll_destx = destx;
        scroll_desty = desty;

		while(scroll_destx != scroll_x) {
			diff = scroll_destx - scroll_x;
			if(scroll_destx \< scroll_x) {
				scr = Math.round((diff - spd) / spd);

		while(scroll_desty != scroll_y) {
			diff = scroll_desty - scroll_y;
			if(scroll_desty \< scroll_y) {
				scr = Math.round((diff - spd) / spd);
			}

}

			} else 
				{
				scr = Math.round((diff + spd) / spd);
			}

			scroll_x += scr;
            scroll_y += scr;
			parent.kommun.scrollTo(scroll_x,scroll_y);
		}
	}

//-->
</script>