var ns4=document.layers
var ie4=document.all
var ns6=document.getElementById&&!document.all

//drag drop function for NS 4////
/////////////////////////////////

var dragswitch=0
var nsx
var nsy
var nstemp

function drag_drop(name){
if (!ns4)
return
temp=eval(name)
temp.captureEvents(Event.MOUSEDOWN | Event.MOUSEUP)
temp.onmousedown=down
temp.onmousemove=move
temp.onmouseup=up
}

function down(e){
temp.captureEvents(Event.MOUSEMOVE)
nsx=e.x
nsy=e.y
}
function move(e){
if (dragswitch==1){
temp.moveBy(e.x-nsx,e.y-nsy)
return false
}
}

function up(){
temp.releaseEvents(Event.MOUSEMOVE)
}

//drag drop function for ie4+ and NS6////
/////////////////////////////////


function drag_drop(e){
	if (ie4&&dragapproved){
	    crossobj.style.left=tempx+event.clientX-offsetx
	    crossobj.style.top=tempy+event.clientY-offsety
	    return false
	}
	else if (ns6&&dragapproved){
	    crossobj.style.left=tempx+e.clientX-offsetx+"px"
	    crossobj.style.top=tempy+e.clientY-offsety+"px"
	    return false
	}
}

function initialize_drag(e,pop,dragbar){
	pop = (pop) ? pop : "pop";
	dragbar = (dragbar) ? dragbar : "dragbar";
	crossobj=ns6? document.getElementById(pop) : eval("document.all."+pop)

	var firedobj=ns6? e.target : event.srcElement
	var topelement=ns6? "html" : document.compatMode && document.compatMode!="BackCompat"? "documentElement" : "body"

	while (firedobj.tagName!=topelement.toUpperCase() && firedobj.id!=dragbar){
		firedobj=ns6? firedobj.parentNode : firedobj.parentElement
	}
	if (firedobj.id==dragbar){
		offsetx=ie4? event.clientX : e.clientX
		offsety=ie4? event.clientY : e.clientY
		tempx=parseInt(crossobj.style.left)
		tempy=parseInt(crossobj.style.top)
		dragapproved=true
		document.onmousemove=drag_drop
	}
}

document.onmouseup=new Function("dragapproved=false")