if (document.all) {
		n=0
		ie=1
	}
if (document.layers) {
		n=1;ie=0
}
function hideall(){
	for (i=1;i<4;i++)
	{hidetheDiv('dropmenu'+i);}
}

function hidetheDiv(thename){
if(ie){pastLayer='document.all.' +thename+ '.style.visibility="hidden"'};
if(n){pastLayer='document.layers.' +thename+ '.visibility="hidden"'};
eval(pastLayer);
}

var divTimeout;

function hideit(thename){divTimeout=setTimeout('hidetheDiv(\''+thename+'\')',200);}

function showit(thename) {
clearTimeout(divTimeout);
if (ie){theLayer='document.all.' +thename+ '.style.visibility="visible"'};
if (n){theLayer='document.layers.' +thename+ '.visibility="show"'};
if (thename=='null') {return false;}
else{hideall(); eval(theLayer);}}