var bg;

var session_color = new Array();
session_color[0] = "#f9f3e6";
session_color[1] = "#f9f3e6";
session_color[2] = "#f9f3e6";
session_color[3] = "#f6d1d0";
session_color[4] = "#e3e5eb";
session_color[5] = "#f9f3e6";
session_color[6] = "#f9f3e6";
session_color[7] = "#f9f3e6";
session_color[8] = "#f9f3e6";
session_color[9] = "#f5ebe2";
session_color[10] = "#f8ebd3";
session_color[11] = "#dcf0d5";
session_color[12] = "#fef4d2";

var topnav_class = new Array();
topnav_class[0] = "topnav_default";
topnav_class[1] = "topnav_default";
topnav_class[2] = "topnav_default";
topnav_class[3] = "topnav_staff";
topnav_class[4] = "topnav_student";
topnav_class[5] = "topnav_default";
topnav_class[6] = "topnav_default";
topnav_class[7] = "topnav_default";
topnav_class[8] = "topnav_default";
topnav_class[9] = "topnav_under";
topnav_class[10] = "topnav_post";
topnav_class[11] = "topnav_msc";
topnav_class[12] = "topnav_cert";

var left_arrow = new Array();
left_arrow[0] = "arrow.gif";
left_arrow[1] = "arrow_about.gif";
left_arrow[2] = "arrow_programme.gif";
left_arrow[3] = "arrow_staff.gif";
left_arrow[4] = "arrow_student.gif";
left_arrow[5] = "arrow.gif";
left_arrow[6] = "arrow.gif";
left_arrow[7] = "arrow.gif";
left_arrow[8] = "arrow.gif";
left_arrow[9] = "arrow_under.gif";
left_arrow[10] = "arrow_post.gif";
left_arrow[11] = "arrow_msc.gif";
left_arrow[12] = "arrow_cert.gif";

var left_point = new Array();
left_point[0] = "pt.gif";
left_point[1] = "pt.gif";
left_point[2] = "pt.gif";
left_point[3] = "pt_staff.gif";
left_point[4] = "pt_student.gif";
left_point[5] = "pt.gif";
left_point[6] = "pt.gif";
left_point[7] = "pt.gif";
left_point[8] = "pt.gif";
left_point[9] = "pt_under.gif";
left_point[10] = "pt_post.gif";
left_point[11] = "pt_msc.gif";
left_point[12] = "pt_cert.gif";

var left_point2 = new Array();
left_point2[0] = "pt2.gif";
left_point2[1] = "pt2.gif";
left_point2[2] = "pt2.gif";
left_point2[3] = "pt2.gif";
left_point2[4] = "pt2_student.gif";
left_point2[5] = "pt2.gif";
left_point2[6] = "pt2.gif";
left_point2[7] = "pt2.gif";
left_point2[8] = "pt2.gif";
left_point2[9] = "pt2.gif";
left_point2[10] = "pt2.gif";
left_point2[11] = "pt2.gif";
left_point2[12] = "pt2.gif";

//menu
var level1_length = 13;
var level2_length = 10;
var level3_length = 10;

for (var i=0; i<level1_length; i++){
	eval("var Menu_" +i+ " = new Array()"  );
	eval("var MenuLink_" +i+ " = new Array()"  );
	for (var j=0; j<level2_length; j++){
		eval("var Menu_" +i+ "_" +j+ " = new Array()"  );
		eval("var MenuLink_" +i+ "_" +j+ " = new Array()"  );
		for (var k=0; k<level3_length; k++){
			eval("var Menu_" +i+ "_" +j+ "_" +k+ " = new Array()"  );
			eval("var MenuLink_" +i+ "_" +j+ "_" +k+ " = new Array()"  );
		}
	}
}

//---------------------------------------


function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

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 MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function changeImgBg(ObjId, newImg, thisSection){
	if (section != thisSection){
		MM_findObj(ObjId).style.background = 'url('+newImg+')';
	}
}

function changeImgBgLeft(ObjId1, ObjId2, newImg1, newImg2, thisSection){
	if (section != thisSection){
		MM_findObj(ObjId1).style.background = 'url('+newImg1+')';
		MM_findObj(ObjId2).src = newImg2;
	}
}

function changeClass(ObjId, newClass){
	document.getElementById(ObjId).className = newClass;
}

function sectionClass(thisSection, className){
	if (section == thisSection){
		return className+thisSection ;
	}
	return className ;
}

function strArrayMaxLength(strArray){
	var maxLength = 0 ;
	var fontWidth = 6 ;
	for (var i=0; i<strArray.length; i++){
		if (strArray[i].length > maxLength){
			maxLength = strArray[i].length ;
		}
	}
	return maxLength * fontWidth;
}

function sumSubMenuCellHeight(cellsNum){
	return (cellsNum * (subMenuCellHeight + subMenuDelimitHeight)) ;
}

function genTopMenu(){
	var htmlContent ;
	htmlContent = '' ;
	
	htmlContent += '<table width="100%" border="0" cellspacing="0" cellpadding="0">' ;
	htmlContent += '	<tr>' ;
	for (i=0;i<topMenu.length;i++) {
		if (i == 0){
			if (section == 1){
				htmlContent += '		<td><img id="menuBg_Left" src="img/menu_left1.jpg" alt="*" ></td>' ;
			}else{
				htmlContent += '		<td><img id="menuBg_Left" src="img/menu_left0.jpg" alt="*" ></td>' ;
			}
			htmlContent += '		<td class='+sectionClass(eval(i+1),'menuBg')+' id="menuBg_'+i+'"  onMouseOver="changeImgBgLeft(\'menuBg_'+i+'\', \'menuBg_Left\', \'img\/menu_bg'+eval(i+1)+'\.jpg\', \'img\/menu_left1\.jpg\', '+eval(i+1)+'); MM_showHideLayers(\'subMenu_'+i+'\',\'\',\'show\')" onMouseOut="changeImgBgLeft(\'menuBg_'+i+'\', \'menuBg_Left\', \'img\/menu_bg\.jpg\', \'img\/menu_left0\.jpg\', '+eval(i+1)+'); MM_showHideLayers(\'subMenu_'+i+'\',\'\',\'hide\')" align="center" style="padding-left:1px;padding-right:1px;width:'+topMenuWidth[i]+'px"  ><a class=menuLink href="'+topMenuLink[i]+'"  style="width:100%;text-decoration:none;">'+topMenu[i]+'</a></td>' ;	
		}else{
			htmlContent += '		<td><img src="img/menu_bound.jpg" alt="*"></td>' ;
			htmlContent += '		<td class='+sectionClass(eval(i+1),'menuBg')+' id="menuBg_'+i+'"  onMouseOver="changeImgBg(\'menuBg_'+i+'\',\'img\/menu_bg'+eval(i+1)+'\.jpg\', '+eval(i+1)+'); MM_showHideLayers(\'subMenu_'+i+'\',\'\',\'show\')" onMouseOut="changeImgBg(\'menuBg_'+i+'\',\'img\/menu_bg\.jpg\', '+eval(i+1)+'); MM_showHideLayers(\'subMenu_'+i+'\',\'\',\'hide\')" align="center" style="padding-left:1px;padding-right:1px;width:'+topMenuWidth[i]+'px"  ><a class=menuLink href="'+topMenuLink[i]+'"  style="width:100%;text-decoration:none;">'+topMenu[i]+'</a></td>' ;	
		}
	}
	htmlContent += '	</tr>' ;
	htmlContent += '	<tr>' ;
	htmlContent += '		<td colspan=14><img src="img/menu_bottom.jpg" alt="*"></td>' ;
	htmlContent += '	</tr>' ;
	htmlContent += '</table>' ;
	return htmlContent ;
}

// Text version
function gen_language2(){
	document.write('<tr><td class=content align=right colspan=3>');
	if (language != "eng"){
		document.write('<a class=content href="javascript:changeLanguage(\'eng\');">ENG</a> | ');
	} else {
		document.write('ENG | ');
	}
	if (language != "b5"){
		document.write('<a class=content href="javascript:changeLanguage(\'b5\');">ÁcÅé</a> | ');
	} else {
		document.write('ÁcÅé | ');
	}
	if (language != "gb"){
		document.write('<a class=content href="javascript:changeLanguage(\'gb\');">²Åé</a>');
	} else {
		document.write('²Åé');
	}
	document.write('</td><td></td></tr>');
}

// Image version
function gen_language(){
	var lang = new Array("b5","gb","eng");
	document.write('<tr><td class=content align=right colspan=3>');
	for (var i=0; i<lang.length; i++){
		if (language != lang[i]){
			document.write('<a href="javascript:changeLanguage(\''+lang[i]+'\');" onMouseOut=MM_swapImgRestore() onMouseOver=MM_swapImage(\'lang_'+lang[i]+'\',\'\',\'img/common/lang_'+lang[i]+'_on.gif\',13)><img src=img/common/lang_'+lang[i]+'.gif border=0 name=lang_'+lang[i]+' id=lang_'+lang[i]+'></a>');
		} else {
			document.write('<img src=img/common/lang_'+lang[i]+'_on.gif border=0 name=lang_'+lang[i]+' id=lang_'+lang[i]+'>');
		}
		if (i != (lang.length-1)){
			document.write('<img src=img/common/lang_line.gif border=0 hspace=3>');	
		}
	}
	document.write('</td><td></td></tr>');
}

function changeLanguage(lang){
	window.location.href = window.location.href.replace(language,lang);
}

//-->