var DragHandler = {


    // private property.
    _oElem : null,


    // public method. Attach drag handler to an element.
    attach : function(oElem) {
        oElem.onmousedown = DragHandler._dragBegin;

        // callbacks
        oElem.dragBegin = new Function();
        oElem.drag = new Function();
        oElem.dragEnd = new Function();

        return oElem;
    },


    // private method. Begin drag process.
    _dragBegin : function(e) {
        var oElem = DragHandler._oElem = this;

        if (isNaN(parseInt(oElem.style.left))) { oElem.style.left = '0px'; }
        if (isNaN(parseInt(oElem.style.top))) { oElem.style.top = '0px'; }

        var x = parseInt(oElem.style.left);
        var y = parseInt(oElem.style.top);

        e = e ? e : window.event;
        oElem.mouseX = e.clientX;
        oElem.mouseY = e.clientY;

        oElem.dragBegin(oElem, x, y);

        document.onmousemove = DragHandler._drag;
        document.onmouseup = DragHandler._dragEnd;
        return false;
    },


    // private method. Drag (move) element.
    _drag : function(e) {
        var oElem = DragHandler._oElem;
	var containerWidth = parseInt(document.getElementById("scroller").style.width);
	var stopX = containerWidth - 304;
        var x = parseInt(oElem.style.left);
        var y = parseInt(oElem.style.top);
	var initContentPos = parseInt(document.getElementById("scroller").offsetLeft)
	var dy = 0;
	var scrollbarLength = containerWidth-304;	
	var scrollTo = document.getElementById("scrolllength").offsetWidth / scrollbarLength
	var scrolldis = 0
        e = e ? e : window.event;


if(x<1)
	{
	//_dragEnd
//document.getElementById("scrolllength").style.left = '5px'
x = 5
	oElem.style.left = '1px'
}else if(x>stopX){
//alert(document.getElementById("scrolllength").offsetWidth)
oElem.style.left = stopX +'px'

}else{

document.getElementById("scrolllength").style.left =- (x*scrollTo)+ 'px'
        oElem.style.left = x + (e.clientX - oElem.mouseX) + 'px';
       // oElem.style.top = y + (e.clientY - oElem.mouseY) + 'px';

        oElem.mouseX = e.clientX;
        oElem.mouseY = e.clientY;

        oElem.drag(oElem, x, 0);
}
        return false;
    },


    // private method. Stop drag process.
    _dragEnd : function() {
        var oElem = DragHandler._oElem;

        var x = parseInt(oElem.style.left);
        var y = parseInt(oElem.style.top);

        oElem.dragEnd(oElem, x, 0);

        document.onmousemove = null;
        document.onmouseup = null;
        DragHandler._oElem = null;
    }

}