互換IE FF Operaのjavascript最短のドラッグコード

＜meta http-equiv=「Content-Type」content=「text/」charset=gb 2312"/""script langgage="JavaScript"type="text/javascript">var x，y var drag_=false var D=new Function('obj'、'return document.getElement ById(obj)')var IE=new Function('，'if(navigator.appName.indexOf)>=0)return 1if(navigator.appName.indexOf)>=0)return 2')function Move_obj(//1 D(obj).onmousedown=function(e){drag_=true/4 with(this){style.position=「absolute」temp 1=offset Left;temp 2=offset Top;//5 if(IE()==1){x=event.client X;y=event.client Y//6 document.onmousemoove=function(e)//7 if(drag_==false)return false with{style.left=temp 1+event.client X-x+px}style.top=temp 2+event.Y-y+「px」//7 if(IE()=2)｛x=e.pageX；y=e.pageY;//8 document.onmousemove=function(e){/9 if(drag_==false）return false with（this）｛style.left=temp 1+e.pageX-x＋“px”；style.top=temp 2+e.pageY-y+"px"//9'/8'/5 document.onmouseup=new Function("drag_="=false")//4'/1