var rolloverImage = new Image();

function showmenu(menuid) {
	var menu = document.getElementById(menuid);
	menu.style.display = "block";
}

function hidemenu(menuid) {
	var menu = document.getElementById(menuid);
	menu.style.display = "none";
}

function showvirtualtour() {
	var options;
	options = 'left=10,top=10,toolbar=0,resizable=1,width='+screen.availWidth+',height='+screen.availHeight;
	var myRef = window.open('http://www.pqiic.com/virtualtour/','vt_window',options);
	myRef.focus();
}

function registerimage(which) {
	rolloverImage.src = 'http://www.pqiic.com/images/r_buildings/'+which;
}

function showimage(which) {
	var loc = document.getElementById('random_building_image');
	loc.src = 'http://www.pqiic.com/images/r_buildings/'+which;
}