if( iens6 ) {
		var crossobj = document.getElementById ? document.getElementById( "content" ) : document.all.content;
//		var contentheight = crossobj.offsetHeight;
	}
	else if( ns4 ) {
		var crossobj=document.nscontainer.document.nscontent;
		var contentheight=crossobj.clip.height;
	}
	
	function movedown() {
		
		if( mutexDn == 1 )
		{
			if( iens6 && parseInt( crossobj.style.top ) >= ( contentheight * (-1) + 100 ) )
				crossobj.style.top=parseInt(crossobj.style.top) - speed;
			else if( ns4 && crossobj.top >= ( contentheight * (-1) + 100 ) )
				crossobj.top -= speed;
			
			movedownvar = setTimeout( "movedown()", 50 );
		}
	}
	
	function moveup() {
		
		if( mutexUp == 1 )
		{
			if( iens6 &&  parseInt( crossobj.style.top) <= 0 ) 
				crossobj.style.top = parseInt( crossobj.style.top ) + speed;
			else if( ns4 && crossobj.top <= 0 )
				crossobj.top += speed;

			moveupvar = setTimeout( "moveup()", 50 );
		}
	}
	
	function getcontent_height() {
//		if( iens6 )
//			contentheight=crossobj.offsetHeight;
//		else if( ns4 )
//			document.nscontainer.document.nscontent.visibility = "show";
	}
	
	window.onload = getcontent_height;