var mmOpenContainer = null;
var mmOpenMenus = null;
var mmHideMenuTimer = null;

var mmOpenImageName = null;
var mmOpenTriggerName = null;
var preloadFlag = false;



function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

function preloadImages() {
	if (document.images) {
		PDSID_Menu_Tamas_over = newImage("nimages/pdsid_contact_over.gif");
		PDSID_Menu_Faaliat_over = newImage("nimages/pdsid_faaliat_over.gif");
		PDSID_Menu_Khadamat_over = newImage("nimages/pdsid_Services_over.gif");
		PDSID_Menu_Darbare_over = newImage("nimages/pdsid_about_over.gif");
		PDSID_Menu_SafheAsli_over = newImage("nimages/pdsid_main_over.gif");
		PDSID_Menu_English_over = newImage("nimages/pdsid_english_over.gif");
		PDSID_Menu_Zb_over = newImage("nimages/pdsid_zb_over.gif");
		
		preloadFlag = true;
	}
}





function MM_menuStartTimeout(hideTimeout) {
	mmHideMenuTimer = setTimeout("MM_menuHideMenus()", hideTimeout);	
}

function MM_menuHideMenus() {
	MM_menuResetTimeout();
	if(mmOpenContainer) {
		var c = document.getElementById(mmOpenContainer);
		c.style.visibility = "inherit";
		changeImages(mmOpenTriggerName, mmOpenImageName);
		mmOpenContainer = null;
		mmOpenImageName = null;
		mmOpenTriggerName = null;
	}
	if( mmOpenMenus ) {
		for(var i in mmOpenMenus) {
			var m = document.getElementById(mmOpenMenus[i]);
			m.style.visibility = "hidden";			
		}
		mmOpenMenus = null;
	}
}

function MM_menuHideSubmenus(menuName) {
	if( mmOpenMenus ) {
		var h = false;
		var c = 0;
		for(var i in mmOpenMenus) {
			if( h ) {
				var m = document.getElementById(mmOpenMenus[i]);
				m.style.visibility = "hidden";
			} else if( mmOpenMenus[i] == menuName ) {
				h = true;
			} else {
				c++;
			}
		}
		mmOpenMenus.length = c+1;
	}
}

function MM_menuOverMenuItem(menuName, subMenuSuffix) {
	MM_menuResetTimeout();
	MM_menuHideSubmenus(menuName);
	if( subMenuSuffix ) {
		var subMenuName = "" + menuName + "_" + subMenuSuffix;
		MM_menuShowSubMenu(subMenuName);
	}
}

function MM_menuShowSubMenu(subMenuName) {
	MM_menuResetTimeout();
	var e = document.getElementById(subMenuName);
	e.style.visibility = "inherit";
	if( !mmOpenMenus ) {
		mmOpenMenus = new Array;
	}
	mmOpenMenus[mmOpenMenus.length] = "" + subMenuName;
}

function MM_menuResetTimeout() {
	if (mmHideMenuTimer) clearTimeout(mmHideMenuTimer);
	mmHideMenuTimer = null; 
}

function MM_menuShowMenu(containName, menuName, xOffset, yOffset, triggerName, ImageName, OverImageName) {
	MM_menuHideMenus();
	MM_menuResetTimeout();
	MM_menuShowMenuContainer(containName, xOffset, yOffset, triggerName, ImageName);
	MM_menuShowSubMenu(menuName);
    changeImages(triggerName, OverImageName );
}

function MM_menuShowMenuContainer(containName, x, y, triggerName, ImageName) {	
	var c = document.getElementById(containName);
	var s = c.style;
	s.visibility = "inherit";
	
	mmOpenContainer = "" + containName;
	mmOpenImageName = "" + ImageName;
	mmOpenTriggerName = "" + triggerName;
}