var _dragobj,_dragActive=true;
var _maxi=0,_curri;
var ns = (navigator.product == ("Gecko"));
var ie = (document.all);

_maxi=999999;//rex

function mouseMove(e){
	_dragActive=false;

	x=(ns)?e.pageX:event.x;
	y=(ns)?e.pageY:event.y;

	_dragobj.style.left=(_cx+x)+'px';
	_dragobj.style.top=(_cy+y)+'px';

}

function mouseUp(e){
	_dragActive=true;
	//rex _maxi++;

	document.onmousemove=noopMouse;
	document.onmousedown=noopMouse;
	document.onmouseup=noopMouse;

}

function mouseDown(e){
	_dragobj.style.zIndex=_maxi;

	document.onmousemove=mouseMove;

	x=(ns)?e.pageX:event.x;
	y=(ns)?e.pageY:event.y;

	_cx=_dragobj.offsetLeft-x;
	_cy=_dragobj.offsetTop-y;

}

function noopMouse(e){
	return false;
}

/*rex
function dragInit()
{
	var i, main,obj;

		obj=document.getElementById("CON");
		if (obj.style.zIndex==null || obj.style.zIndex=='')
		{
			obj.style.zIndex=i;
		}
		_maxi=Math.max(obj.style.zIndex,_maxi);

	_maxi++;
}*/

function startDrag(layerName){

	if (_dragActive){
		if (document.getElementById(layerName)!='null'){
			_dragobj=document.getElementById(layerName);

			document.onmousedown=mouseDown;
			document.onmouseup=mouseUp;
		}
	}else{
		document.onmousemove=noopMouse;
		document.onmousedown=noopMouse;
		document.onmouseup=noopMouse;
	}
}