/lenasys/0.1

// Recursive Pos of div in document - should work in most browsers

function findPos(obj) {

	var curleft = curtop = 0;

	if (obj.offsetParent) {

		curleft = obj.offsetLeft;

		curtop = obj.offsetTop;

		while (obj = obj.offsetParent) {

			curleft += obj.offsetLeft;

			curtop += obj.offsetTop;

		}

	}

	return {

		x:curleft,

		y:curtop

	}

}

// The idea is to have a few functions like this one and minimum javascript intervention		

function updateslider(e, kind, smin, smax, slen, sliderid, boxid) {

	if(mb) {

		coords = findPos(e.currentTarget);

		coords.x = e.clientX - coords.x;

		coords.y = e.clientY - coords.y;

		cx = coords.x / slen;

		sd = smax - smin;

		val = smin + (sd * cx);

		if(kind == 1) {

			val = Math.round(val);

		}

		document.getElementById(boxid).value = val;				

		document.getElementById(sliderid).style.left = Math.ceil((slen) * ((val - smin) / sd))+"px";

	}

}

var mb = 0;

function mbpress(e) {

	mb = 1;

}

function mbrelease(e) {

	mb = 0;

}