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_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.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 MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

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 isIE6(){
	if (navigator.appVersion.indexOf("MSIE 6.0")==-1) {
		return false;
	}
	return true
}
// JavaScript Document
//for IE6 IE7 Fire Fox2
function dk_showHideById(idName , cmd){
	if(!idName){
		alert('need a id name in one of HTML elements.');
		return;
	}
	
	var idObj = dk_findObj(idName);
	if(!idObj){
		alert('error!! no object name is ' + idName + ' in this HTML document.');
		return;
	}
	
	if(cmd == 'show' || cmd == 'hide'){
		dk_doShowHide(idObj , cmd);
	} else {
		alert('aneed one more argument [\'show\' or \'hide\'].');
		return;
	}
	
	
}
function dk_findObj(idName){
	var idObj = document.getElementById(idName);
	return idObj;
}
function dk_doShowHide(idObj , cmd){
	if(cmd == 'show'){
		idObj.style.display = '';
	} else if(cmd == 'hide'){
		idObj.style.display = 'none';
	}
}


function switchTab(tabGroup, amount, who){
	document['now'+tabGroup]=who;
	for(var i=1; i<=amount; i++){
		var currTag=document.getElementById(tabGroup+'Tab'+i);
		var currContentDiv=document.getElementById(tabGroup+'CT'+i);
		if(currTag) currTag.className=(i==document['now'+tabGroup])? "tab_on" : "tab_off";
		if(currContentDiv) currContentDiv.style.display=(i==document['now'+tabGroup])? "block" : "none";
	}
}

$(document).ready(function(){
	if(isIE6()){
		correctPNG();
	}
	switchTab('group1', 5, 1);
});