var current_tab = "";
var current_subtab = "";
var current_subtab_background_on = "";
var current_subtab_background_off = "";
var tab = "1";
var counter = 0;
var flag = 0;	
var flag2 = 0;
var flag3 = 0;
var flag4 = 1;
var top_tab = "";
var middle_tab = 0;
var submenu_index = 0;

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}


function MenuImagesPreload(){	
	MM_preloadImages('images/menu/home_on.jpg','images/menu/teachers_on.jpg','images/menu/highschool_on.jpg','images/menu/kids_on.jpg','images/menu/kodesh_on.jpg','images/menu/info_on.jpg','images/menu/home.jpg','images/menu/teachers.jpg','images/menu/highschool.jpg','images/menu/kids.jpg','images/menu/kodesh.jpg','images/menu/info.jpg','images/menu/tabs/home01_new_on.jpg','images/menu/tabs/home02_events_on.jpg','images/menu/tabs/home03_video_on.jpg','images/menu/tabs/home04_trip_on.jpg','images/menu/tabs/home05_mikraot_on.jpg','images/menu/tabs/home06_blogim_on.jpg','images/menu/tabs/home07_patshagan_on.jpg','images/menu/tabs/home08_ahiitofel_on.jpg','images/menu/tabs/home09_tags_on.jpg','images/menu/tabs/teachers01_forum_on.jpg','images/menu/tabs/teachers02_articles_on.jpg','images/menu/tabs/teachers03_shluvim_on.jpg','images/menu/tabs/teachers04_program_on.jpg','images/menu/tabs/teachers05_mafmar_on.jpg','images/menu/tabs/teachers06_bagrut_on.jpg','images/menu/tabs/teachers07_olim_on.jpg','images/menu/tabs/teachers08_ahitofel_on.jpg','images/menu/tabs/highschool01_tanach_on.jpg','images/menu/tabs/highschool02_maagar_on.jpg','images/menu/tabs/highschool03_reading1_on.jpg','images/menu/tabs/highschool04_reading2_on.jpg','images/menu/tabs/highschool05_ridlles_on.jpg','images/menu/tabs/highschool06_olim_on.jpg','images/menu/tabs/highschool07_ahitofel_on.jpg','images/menu/tabs/highschool08_computers_on.jpg','images/menu/tabs/empty_highschool_on.jpg','images/menu/tabs/infol01_mikra_on.jpg','images/menu/tabs/infol02_lexicon_on.jpg','images/menu/tabs/infol03_atlas_on.jpg','images/menu/tabs/infol04_timeline_on.jpg','images/menu/tabs/infol05_art_on.jpg','images/menu/tabs/infol06_googel_on.jpg','images/menu/tabs/kodeshl01_tora_on.jpg','images/menu/tabs/kodeshl02_nevim_on.jpg','images/menu/tabs/kodeshl03_ktuvim_on.jpg','images/menu/tabs/kodeshl04_mishna_on.jpg','images/menu/tabs/kodeshl05_tosefta_on.jpg','images/menu/tabs/kodeshl06_yerushlmi_on.jpg','images/menu/tabs/kodeshl07_bavli_on.jpg','images/menu/tabs/kodeshl08_tanhuma_on.jpg','images/menu/tabs/kodeshl09_mishne_on.jpg','images/menu/tabs/infol01_mikra_on.jpg','images/menu/tabs/infol02_lexicon_on.jpg','images/menu/tabs/infol03_atlas_on.jpg','images/menu/tabs/infol04_timeline_on.jpg','images/menu/tabs/infol05_art_on.jpg','images/menu/tabs/infol07_empty_on.jpg','images/menu/tabs/kids01_berashit_on.jpg','images/menu/tabs/kids02_shmot_on.jpg','images/menu/tabs/kids03_yehosh_on.jpg','images/menu/tabs/kids04_shmuel_on.jpg','images/menu/tabs/kids05_melachim_on.jpg','images/menu/tabs/kids06_megilot_on.jpg','images/menu/tabs/kids07_shaar_on.jpg','images/menu/tabs/kids07_shaar_on.jpg','images/menu/tabs/empty_on.jpg','images/menu/tabs/kids01_berashit.jpg','images/menu/tabs/kids02_shmot.jpg','images/menu/tabs/kids03_yehosh.jpg','images/menu/tabs/kids04_shmuel.jpg','images/menu/tabs/kids05_melachim.jpg','images/menu/tabs/kids06_megilot.jpg','images/menu/tabs/kids07_shaar.jpg','images/menu/tabs/kids07_shaar.jpg','images/menu/tabs/empty.jpg','images/menu/tabs/home01_new.jpg','images/menu/tabs/home02_events.jpg','images/menu/tabs/home03_video.jpg','images/menu/tabs/home04_trip.jpg','images/menu/tabs/home05_mikraot.jpg','images/menu/tabs/home06_blogim.jpg','images/menu/tabs/home07_patshagan.jpg','images/menu/tabs/home08_ahiitofel.jpg','images/menu/tabs/home09_tags.jpg','images/menu/tabs/teachers01_forum.jpg','images/menu/tabs/teachers02_articles.jpg','images/menu/tabs/teachers03_shluvim.jpg','images/menu/tabs/teachers04_program.jpg','images/menu/tabs/teachers05_mafmar.jpg','images/menu/tabs/teachers06_bagrut.jpg','images/menu/tabs/teachers07_olim.jpg','images/menu/tabs/teachers08_ahitofel.jpg','images/menu/tabs/highschool01_tanach.jpg','images/menu/tabs/highschool02_maagar.jpg','images/menu/tabs/highschool03_reading1.jpg','images/menu/tabs/highschool04_reading2.jpg','images/menu/tabs/highschool05_ridlles.jpg','images/menu/tabs/highschool06_olim.jpg','images/menu/tabs/highschool07_ahitofel.jpg','images/menu/tabs/highschool08_computers.jpg','images/menu/tabs/empty_highschool.jpg','images/menu/tabs/infol01_mikra.jpg','images/menu/tabs/infol02_lexicon.jpg','images/menu/tabs/infol03_atlas.jpg','images/menu/tabs/infol04_timeline.jpg','images/menu/tabs/infol05_art.jpg','images/menu/tabs/infol06_googel.jpg','images/menu/tabs/kodeshl01_tora.jpg','images/menu/tabs/kodeshl02_nevim.jpg','images/menu/tabs/kodeshl03_ktuvim.jpg','images/menu/tabs/kodeshl04_mishna.jpg','images/menu/tabs/kodeshl05_tosefta.jpg','images/menu/tabs/kodeshl06_yerushlmi.jpg','images/menu/tabs/kodeshl07_bavli.jpg','images/menu/tabs/kodeshl08_tanhuma.jpg','images/menu/tabs/kodeshl09_mishne.jpg','images/menu/tabs/infol01_mikra.jpg','images/menu/tabs/infol02_lexicon.jpg','images/menu/tabs/infol03_atlas.jpg','images/menu/tabs/infol04_timeline.jpg','images/menu/tabs/infol05_art.jpg','images/menu/tabs/infol07_empty.jpg'
);
	}


var Main_links = new Array();
Main_links.push("/");
Main_links.push("/teachers/");
Main_links.push("http://www.cet.ac.il/mikranet/highschool.asp");
Main_links.push("http://www.galim.org.il/mikranet_kids/");
Main_links.push("http://kodesh.mikranet.org.il/i/tr/t0101.htm");
Main_links.push("http://mikranet.cet.ac.il/");
	
$(document).ready(function(){	
	MenuImagesPreload();	
	
	$("ul#topnav li").click(function(){
	var id = $(this).attr("id");
	id = id.substr(7,1)
	//if($("ul#topnav li span").hasClass("no_link") != true)
	if(Main_links[id-1] != "")
	location.href = Main_links[id-1];
	});
	
	$("ul#topnav li").hover(function() { 
								
		if(flag == 0)							 
			HideSubMenu();	
		current_tab = "";
		current_tab = $(this);
		if($(this).attr("id") != tab)
		$(this).toggleClass($(this).attr("id")+"_on");
		$("ul#topnav div").css("display","none");
		$(this).find("div").show(); 

	} , function() { 
		if($(this).attr("id") != tab)
		$(this).toggleClass($(this).attr("id")+"_on");
		
		if(flag3 != 1){
		$("ul#topnav div").css("display","none");
		$("#"+top_tab).find("div").show();	
		if($("#sub_box"+down_tab).html() != "")
		$("#sub_box"+down_tab).css("display","block");	
		}
		flag3 = 0;
	});	
	
		$("ul#topnav img").hover(function(){	 	 
			flag3 = 1;				 
			if(flag2 == 1) flag = 1;
			current_subtab = "";
			current_subtab = $(this);
			
			if($(this).attr("src").indexOf("il") == -1)
			var url = "http://www.mikranet.org.il/" + $(this).attr("src");
			else var url = $(this).attr("src");
			var str = url.replace('.jpg', '_on.jpg');
			if($(this).attr("src") != $("#"+top_tab+" img:eq("+middle_tab+")").attr("src"))
			$(this).attr('src', str);		
			current_subtab_background_on = $(this).attr("src");
			
			
		} , function() { 
					
			flag3 = 1;	
			flag = 0;
			var url = $(this).attr("src");
			var str = url.replace('_on.jpg', '.jpg');
			if($(this).attr("src") != $("#"+top_tab+" img:eq("+middle_tab+")").attr("src"))
			$(this).attr('src', str);
			current_subtab_background_off = $(this).attr("src");
			if($("#sub_box"+submenu_index).html() == "") flag3 = 0;
		});		

		$("#sub_menu").hover(function(){
			flag2 = 1;
		} , function (){
			flag2 = 1;	
		
			for(var i =1;i<48;i++){
				$("#sub_box"+i).css("display","none");
				}
				
				$("ul#topnav div").css("display","none");
		   		$("#"+top_tab).find("div").show();
				if($("#sub_box"+down_tab).html() != "")
				$("#sub_box"+down_tab).css("display","block");
				
				//if (navigator.userAgent.search("MSIE 7.0")!= -1) $("#content").css("top","30px");
		});	
	});
	
	
function ShowSubMenu(x,y){
			submenu_index = x;
			for(var i =1;i<48;i++){
				$("#sub_box"+i).css("display","none");
				}
			if(counter == 0){
				if (navigator.userAgent.search("MSIE 6.0")!= -1) $("#content").css("margin-top","-20px");
				else if (navigator.userAgent.search("MSIE 7.0")!= -1) $("#content").css("top","20px");
				else $("#content").css("top","-30px");
				$("#close_menu").css("display","block");
				$("#sub_box"+x).css("display","block")
			}
			else $("#sub_box"+x).css("display","block");
			
			counter++;		
}

function HideSubMenu(x,y){
			submenu_index = x;
			counter = 0;
			current_subtab_background_on = "";
			current_subtab_background_off = "";	
			for(var i =1;i<48;i++){
				$("#sub_box"+i).css("display","none");
				}
				
			if (navigator.userAgent.search("MSIE 6.0")!= -1) $("#content").css("margin-top","-60px");
			else if (navigator.userAgent.search("MSIE 7.0")!= -1) $("#content").css("top","20px");
			else $("#content").css("top","-30px");
			
}

function mainTab(tabName , submenu , sub_submenu , submenu_link){
	top_tab = tabName;
	middle_tab = submenu;
	down_tab  = sub_submenu;
	tab = tabName;
	$("#"+tabName).addClass(tabName+"_on");
	$("ul#topnav div").css("display","none");
	
	if($("#sub_box"+sub_submenu).html() != ""){
		$("#sub_box"+sub_submenu).slideDown("fast");
	}
	
	$("#"+tabName).find("div").show(); 
	
		var url =  $("#"+tabName+" img:eq("+submenu+")").attr("src");
		
		var str = url.replace('.jpg', '_on.jpg');
		$("#"+tabName+" img:eq("+submenu+")").attr('src', str);
	$("#link" + submenu_link).css("color" , "#FE5F01");
	$("#link" + submenu_link).css("font-weight" , "bold");
	$("#link" + submenu_link).css("font-size" , "11px");
}