function highlightSub(layerName) {
if (selTab != layerName )
      document.getElementById(layerName).className = 'optSubDisHoverTab' ;
}

function unhighlightselSub(layerName) {
document.getElementById(layerName).className = 'optSubSelTab' ;
}

function selectSubTab(layerName) {
document.getElementById(layerName).className = 'optSubSelTab' ;
}

function unhighlightSub(layerName) {
if (selSubTab != layerName )
     document.getElementById(layerName).className = 'optSubDisTab' ;
else
     document.getElementById(layerName).className = 'optSubSelTab' ;
}


function highlight(layerName) {
if (selTab != layerName )
      document.getElementById(layerName).className = 'optDisHoverTab' ;
}


function unhighlightsel(layerName) {
document.getElementById(layerName).className = 'optSelTab' ;
}


function selectTab(layerName) {
document.getElementById(layerName).className = 'optSelTab' ;
}

function gotopage (pagename) {
document.location="/"+pagename;
}

function unhighlight(layerName) {
if (selTab != layerName )
     document.getElementById(layerName).className = 'optDisTab' ;
else
     document.getElementById(layerName).className = 'optSelTab' ;
}

function getQueryParameterValue(strParamName ){
	  var strReturn = "";
	  var strHref = window.location.href;
	  strHref= strHref.replace("?","&");
	  if ( strHref.indexOf("&") > -1 ){
	    var strQueryString = strHref.substr(strHref.indexOf("&"));
	    var aQueryString = strQueryString.split("&");
	    for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
	      if (
	aQueryString[iParam].indexOf(strParamName + "=") > -1 ){
	        var aParam = aQueryString[iParam].split("=");
	        strReturn = aParam[1];
	        break;
	      }
	    }
	  }
	  return strReturn;
}


function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=")
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1 
    c_end=document.cookie.indexOf(";",c_start)
    if (c_end==-1) c_end=document.cookie.length
    return unescape(document.cookie.substring(c_start,c_end))
    } 
  }
return ""
}

function checkLogin()
{
username=getCookie('uname')
if (username!=null && username!="")
  {  
     
     var style2 = document.getElementById("loginButton").style;
	style2.display = "none";
  }
else 
  {
     var style2 = document.getElementById("logoutButton").style;
	style2.display = "none";

  }
}

var boxs = {
	fileNames: {
		'active': 'featBut_over',
		'passive': 'featBut_up'
	},
	mouseOver: function(obj) {
		var back = obj.getElementsByTagName('img')[0];
		var path = back.src.split(this.fileNames.passive);
		back.src = path[0] + this.fileNames.active + path[1]
	},
	mouseOut: function(obj) {
		var back = obj.getElementsByTagName('img')[0];
		var path = back.src.split(this.fileNames.active);
		back.src = path[0] + this.fileNames.passive + path[1]
	},
	mouseClick: function(obj) {
		var href = obj.getElementsByTagName('a')[0];
		if (href) location.href = href;
	}
}

function show(object) {
  if (document.getElementById) {
    document.getElementById(object).style.visibility = 'visible';
  }
  else if (document.layers && document.layers[object]) {
    document.layers[object].visibility = 'visible';
  }
  else if (document.all) {
    document.all[object].style.visibility = 'visible';
  }
}

function hide(object) {
  if (document.getElementById) {
    document.getElementById(object).style.visibility = 'hidden';
  }
  else if (document.layers && document.layers[object]) {
    document.layers[object].visibility = 'hidden';
  }
  else if (document.all) {
    document.all[object].style.visibility = 'hidden';
  }
}