function MakeDraggable(element,callback)
{element.style.cursor='move';element.callback=callback;element.onmousedown=DraggableStart;}
function MakeDraggableEW(element,callback)
{element.style.cursor='e-resize';element.ewcallback=callback;element.onmousedown=DraggableStart;}
function MakeDraggableNS(element,callback)
{element.style.cursor='n-resize';element.nscallback=callback;element.onmousedown=DraggableStart;}
function DraggableStart(e)
{e=DraggableGetEvent(e);var t=e.target;if(t==null)
t=e.srcElement;if(t!=null&&t.nodeType==3)
t=t.parentNode
t.prevX=e.screenX;t.prevY=e.screenY;document.draggableTarget=t;document.onmousemove=DraggableMove;document.onmouseup=DraggableStop;document.documentElement.style.cursor=t.style.cursor;e.cancelBubble=true;e.returnValue=false;}
function DraggableMove(e)
{e=DraggableGetEvent(e);var t=document.draggableTarget;var dx=e.screenX-t.prevX;t.prevX=e.screenX;var dy=e.screenY-t.prevY;t.prevY=e.screenY;if(t.callback)
t.callback(dx,dy);else if(t.ewcallback)
t.ewcallback(dx);else if(t.nscallback)
t.nscallback(dy);e.cancelBubble=true;e.returnValue=false;}
function DraggableGetEvent(e)
{if(!e)
e=window.event;return e;}
function DraggableStop(e)
{document.draggableTarget=null;document.onmousemove=null;document.onmouseup=null;document.onmouseout=null;document.documentElement.style.cursor='';}