ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false
verOK=(ns4||ie4)
var TimeInterval = 4000 ;
var MouseStatus = 0 ;

function changein(id) {
        if (ns4) document.layers[id].visibility = "show"
        else if (ie4) document.all[id].style.visibility = "visible"
}

function changeout(id) {
        if (ns4) document.layers[id].visibility = "hide"
        else if (ie4) document.all[id].style.visibility = "hidden"
}
function SetMouseStatus(num)
{
	MouseStatus = parseInt(num) ;
}
function nothing(){
}
function CloseAll()
{
	if (MouseStatus == 0)
	{
		changeout('linkpage1');
		changeout('linkpage2');
		changeout('linkpage3');
		changeout('linkpage4');
		changeout('linkpage5');
		changeout('linkpage6');
		changeout('linkpage7');
	}
	else
	{
		setTimeout("CloseAll()", TimeInterval) ;
	}
}
function CheckPopUpMenu()
{
	setTimeout("CloseAll()", TimeInterval) ;
}