var woher = document.referrer;
var main_sel = 1;
var sub_sel = 1;
var de_en = 1;
var bg_image_src = "";
switch(Math.floor(Math.random()*7)) {
	case 0:		bg_image_src = "menu_bg_01.jpg"; break;
	case 1:		bg_image_src = "menu_bg_02.jpg"; break;
	case 2: 	bg_image_src = "menu_bg_03.jpg"; break;
	case 3: 	bg_image_src = "menu_bg_02.jpg"; break;
	case 4: 	bg_image_src = "menu_bg_05.jpg"; break;
	case 5: 	bg_image_src = "menu_bg_03.jpg"; break;
	default:	bg_image_src = "menu_bg_02.jpg"; break;
}

var inhalt_menu = new Array();
inhalt_menu[000] = 1;
inhalt_menu[001] = 1;
inhalt_menu[002] = 3;
inhalt_menu[003] = 1;
inhalt_menu[004] = 3;
inhalt_menu[005] = 1;
inhalt_menu[006] = 1;

var image_table = new Array();
var image_data = new Array();
image_table[000]='inhalt_de/logo.gif';
image_table[001]='inhalt_de/platzhalter.gif';
image_table[002]='inhalt_de/menu_main_off.gif';
image_table[003]='inhalt_de/menu_main_on.gif';
image_table[004]='inhalt_de/menu_sub_off.gif';
image_table[005]='inhalt_de/menu_sub_on.gif';
image_table[006]=bg_image_src;
var img_count=image_table.length;
for (var m=0; m<inhalt_menu.length; m++) {
	for (var s=1; s<=inhalt_menu[m]; s++) {
		var str_m = '0' + Number(m);
		var str_m = str_m.substring(str_m.length - 2, str_m.length);
		var str_s = '0' + Number(s);
		var str_s = str_s.substring(str_s.length - 2, str_s.length);
		var img_file = de_en?'../inhalt_de/menu_':'../inhalt_en/menu_' + str_m + '_' + str_s + '.gif';
		image_table[img_count]=img_file;
		img_count++;
}	}
for (var m=0; m<image_table.length;m++){ 
	image_data[m]=new Image(); 
	image_data[m].src=image_table[m];
}

function call_site(site) {
	main = site.substring(1,3);
	sub = site.substring(3,5);
	switch (main) {
	case '01': parent.rechts.location.href = de_en?'../start_de/start.htm':'../start_en/start.htm'; break
	case '02': {
		switch (sub) {
		case '01': parent.rechts.location.href = de_en?'../unternehmen_de/unternehmen.htm':'../unternehmen_en/unternehmen.htm'; break
		case '02': parent.rechts.location.href = de_en?'../verkauf_de/verkauf.htm':'../verkauf_en/verkauf.htm'; break
		case '03': parent.rechts.location.href = de_en?'../events_de/events.htm':'../events_en/events.htm'; break
		default: break;
		}
		break;
	}
	case '03': parent.rechts.location.href = de_en?'../aktuelles_de/aktuelles.htm':'../aktuelles_en/aktuelles.htm'; break	
	case '04': 	{
		switch (sub) {
		case '01': parent.rechts.location.href = de_en?'../kontakt_de/kontakt.htm':'../kontakt_en/kontakt.htm'; break	
		case '02': parent.rechts.location.href = de_en?'../anfahrt_de/anfahrt.htm':'../anfahrt_en/anfahrt.htm'; break	
		case '03': parent.rechts.location.href = de_en?'../newsletter_de/newsletter.htm':'../newsletter_en/newsletter.htm'; break	
		default: break;
		}
		break;
	}
	case '05': parent.rechts.location.href = de_en?'../impressum_de/impressum.htm':'../impressum_en/impressum.htm'; break
//	case '09': parent.rechts.location.href = ''; break //use this button to change the language
	default: break;
	}
}

function update_inhalt(site) {
	if ((parent.main_sel!=Number(site.substring(1,3))) || (parent.sub_sel!=Number(site.substring(3,5)))) {
		parent.main_sel = Number(site.substring(1,3));
		parent.sub_sel = Number(site.substring(3,5));
//		parent.inhalt.location.reload();
		parent.inhalt.location.replace(de_en?'../inhalt_de/inhalt.htm':'../inhalt_en/inhalt.htm');
}	}

function menu_on(name){
	var main = Number(name.substring(1,3));
	var sub = Number(name.substring(3,5));
	inhalt.document.images[name].src = (sub==1)?"menu_main_on.gif":"menu_sub_on.gif";
}

function menu_off(name){
	var main = Number(name.substring(1,3));
	var sub = Number(name.substring(3,5));
	if (!((main==parent.main_sel && sub==1) || (main==parent.main_sel && sub==parent.sub_sel))) {
		inhalt.document.images[name].src = (sub==1)?"menu_main_off.gif":"menu_sub_off.gif";
}	}

function write_menu() {
	with (inhalt.document) {
		write('<tr><td width="130" align="left" valign="top"><img src="platzhalter.gif" width="130" height="60">');
		for (var m = 1; m < inhalt_menu.length - 2; m++) {
			for (var s = 1; s <= inhalt_menu[m]; s++) {
				var str_m = '0' + Number(m);
				var str_m = str_m.substring(str_m.length - 2, str_m.length);
				var str_s = '0' + Number(s);
				var str_s = str_s.substring(str_s.length - 2, str_s.length);
				var img_file = 'menu_' + str_m + '_' + str_s + '.gif';
				var name = 'i' + str_m + str_s;				
				if (s==1) {
					write('<img src=' + img_file
						+ ' onMouseover=\'parent.menu_on("' + name + '")\' onMouseout=\'parent.menu_off("' + name + '")\' onClick=\'parent.call_site("' + name + '")\''
						+ ' style="cursor:pointer;"><img src="menu_main_'
						+ ((m==parent.main_sel)?'on':'off')
						+ '.gif" name="' + name + '"'
						+ ' onMouseover=\'parent.menu_on("' + name + '")\' onMouseout=\'parent.menu_off("' + name + '")\' onClick=\'parent.call_site("' + name + '")\''
						+ ' style="cursor:pointer;">');
				} else {
					if (m==parent.main_sel) {
						write('<img src="menu_sub_' + ((s==parent.sub_sel)?'on':'off')
							+ '.gif" name="' + name + '"'
							+ ' onMouseover=\'parent.menu_on("' + name + '")\' onMouseout=\'parent.menu_off("' + name + '")\' onClick=\'parent.call_site("' + name + '")\''
							+ ' style="cursor:pointer;"><img src=' + img_file 
							+ ' onMouseover=\'parent.menu_on("' + name + '")\' onMouseout=\'parent.menu_off("' + name + '")\' onClick=\'parent.call_site("' + name + '")\''
							+ ' style="cursor:pointer;">');
		}	}	}	}
		write('</td>');
		write('</tr><tr>');
		write('<td width="130" height="130" align="left" valign="bottom">');
		for (var m = inhalt_menu.length - 2; m < inhalt_menu.length - 1; m++) {
			var str_m = '0' + Number(m);
			var str_m = str_m.substring(str_m.length - 2, str_m.length);
			var img_file = 'menu_' + str_m + '_01.gif';
			var name = 'i' + str_m + '01';				
			write('<img src=' + img_file
				+ ' onMouseover=\'parent.menu_on("' + name + '")\' onMouseout=\'parent.menu_off("' + name + '")\' onClick=\'parent.call_site("' + name + '")\''
				+ ' style="cursor:pointer;"><img src="menu_main_'
				+ ((m==parent.main_sel)?'on':'off')
				+ '.gif" name="' + name + '"'
				+ ' onMouseover=\'parent.menu_on("' + name + '")\' onMouseout=\'parent.menu_off("' + name + '")\' onClick=\'parent.call_site("' + name + '")\''
				+ ' style="cursor:pointer;">');
		}
		write('<img src="logo.gif" name="logo"><img src="platzhalter.gif" width="130" height="20"></td>');
		write('</tr>');
}	}