var nOpenMenu = -1;
var nObjLeft=-1;
function isover(n)
{
		for(var nPos = 1; nPos <= 6; nPos++)
		{
			if (nPos != n)
				closeMenu(nPos);
		}

		var oMenu = document.all["drop_menu_" + n];
		
		if (oMenu != null)
		{
			
			var nObjLeft = GetOffsetElement(document["b_"+n].parentElement);
			var nWidth = 124;
			
			if (nObjLeft + nWidth > document.body.clientWidth + document.body.scrollLeft)
				nObjLeft = document.body.clientWidth + document.body.scrollLeft - nWidth;
			oMenu.style.left = nObjLeft;				
			//oMenu.style.left = nWidth*(n-1)+5;
			nOpenMenu = n;
		}	

};

function GetOffsetElement(obEl)
{
	var nObjLeft = 0;
	while (obEl != null)
	{
		nObjLeft += obEl.offsetLeft;
		obEl = obEl.offsetParent;
	}               
	return nObjLeft;
}

var ntimerID;

function isout(n)
{
	if (PreloadOk)
	{		
		nOpenMenu = -1;
		ntimerID=window.setTimeout("closeMenu(" + n + ");", 500);		
	}	
};   

function closeMenu(nMenu)
{
	if (nOpenMenu == nMenu)
		return;

	var nPos = nMenu;
	var oMenu = document.all["drop_menu_" + nMenu];
	if (oMenu != null)
		oMenu.style.left = -1000;
	window.clearTimeout(ntimerID);
}
PreloadOk=true;