var dragapproved=false;
var zcor,xcor,ycor;
var leftpos, toppos;

function ietruebody(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function movescontentmain()
{
	if (event.button==1&&dragapproved)
	{
		zcor.style.pixelLeft=tempvar1+event.clientX-xcor;
		zcor.style.pixelTop=tempvar2+event.clientY-ycor;
		leftpos=document.all.document.getElementById("blackFloatNav").style.pixelLeft-ietruebody().scrollLeft;
		toppos=document.all.document.getElementById("blackFloatNav").style.pixelTop-ietruebody().scrollTop;
		return false;
	}
}

function dragscontentmain()
{
	if (!document.all)
		return;

	if (event.srcElement.id=="blackFloatNav")
	{
		dragapproved=true;
		zcor=document.getElementById("blackFloatNav");
		tempvar1=zcor.style.pixelLeft;
		tempvar2=zcor.style.pixelTop;
		xcor=event.clientX;
		ycor=event.clientY;
		document.onmousemove=movescontentmain;
	}
}

document.onmousedown=dragscontentmain;
document.onmouseup=new Function("dragapproved=false");