/* author: Paul Z Strauss */
/* Creation date: 12/9/2003 */
/* Code for Dropdown Menus  */

var timeOn
var strNormal = "normal";
var strItalic = "italic";
var strVisible = "visible";
var strHide = "hidden";
var AllowHide = false;

document.onmouseover = menuOut;
document.onclick = hideAllMenus;
window.onerror = null;

function menuOver() {
	clearTimeout(timeOn);}

function menuOut() {
	if (AllowHide) {timeOn = setTimeout("hideAllMenus()", 300)}; 
}

function hideAllMenus() {
	dropmenu0.style.visibility=strHide;
	dropmenu1.style.visibility=strHide;
	dropmenu2.style.visibility=strHide;
	services.style.fontStyle=strNormal;
	educational.style.fontStyle=strNormal;
	aboutus.style.fontStyle=strNormal;
}

function ShowDropMenu(oTopMenuID, oSubMenuID) {

	hideAllMenus();
	AllowHide = true;
	clearTimeout(timeOn); 
	
	switch  (oTopMenuID.id) {
		case "aboutus":
			aboutus.style.fontStyle=strItalic;	 
			break;
		case "services":
			services.style.fontStyle=strItalic;			
			break;
		case "educational":
			educational.style.fontStyle=strItalic; 
			break;
	};			   

		oSubMenuID.style.visibility = strVisible;
		oSubMenuID.style.left = document.body.scrollLeft + event.clientX - event.offsetX + 5;
}