function showLayer(layerID) {
	document.getElementById(layerID).style.display = "block";
	return false;
}

function openPositionedWindow(url, name, width, height, x, y, status, scrollbars, moreProperties, openerName) {
	openPopup(url, name, width, height, status, scrollbars, moreProperties);
}

function popWallpaper(url, width, height) {
   if(confirmLegal()){
      openCenteredWindow(url,'pop', width, height,'yes');
   }
}

function openCenteredWindow(url, name, width, height){
      openPopup(url, name, width, height,'yes');
}

/* GLOBAL WINDOW POPUP */
function openPopup(url, name, width, height, status, scrollbars, moreProperties) {
	var agent = navigator.userAgent.toLowerCase();
	var x, y = 0;
	if (screen) {
      x = (screen.availWidth - width) / 2;
      y = (screen.availHeight - height) / 2;
   }
   if (!status) status = '';

	// Adjust width if scrollbars are used (pc places scrollbars inside the content area; mac outside) 
	width += (scrollbars != '' && scrollbars != null && agent.indexOf("mac") == -1) ? 16 : 0;

	var properties = 'width=' + width + ',height=' + height + ',screenX=' + x + ',screenY=' + y + ',left=' + x + ',top=' + y + ((status) ? ',status' : '') + ',scrollbars' + ((scrollbars) ? '' : '=no') + ((moreProperties) ? ',' + moreProperties : '');
   
	window.open(url, name, properties);
	return false;
}