function extandDiv(div){
	if(document.getElementById(div).style.display=="none")
		document.getElementById(div).style.display="block";
	else
		document.getElementById(div).style.display="none";
}

function checkheight(){
	if(document.getElementById('maincontent').offsetHeight < 635){
		document.getElementById('topleftsidebar').style.height= "635px";
	}
	else if(document.getElementById('topleftsidebar').style.height < document.getElementById('maincontent').offsetHeight){
		document.getElementById('topleftsidebar').style.height = document.getElementById('maincontent').offsetHeight-40+"px";
	}
	
	if(document.getElementById('leftsideBG').offsetHeight < window.innerHeight){
		document.getElementById('leftsideBG').style.height = window.innerHeight+"px";
		document.getElementById('rightsideBG').style.height = window.innerHeight+"px";
	}
}

function showMap(hide, show){
	//alert(hide);
	document.getElementById(hide).style.display = "none";
	document.getElementById(show).style.display = "block";
}






var time = 3000;
var numofitems = 7;

//menu constructor
function menu(allitems,thisitem,startstate){ 
  callname= 'gl'+thisitem;
  divname='subglobal'+thisitem;  
  this.numberofmenuitems = allitems;
  this.caller = document.getElementById(callname);
  this.thediv = document.getElementById(divname);
  this.thediv.style.visibility = startstate;
}

//menu methods
function ehandler(event,theobj){
  for (var i=1; i<= theobj.numberofmenuitems; i++){
    var shutdiv =eval( 'menuitem'+i+'.thediv');
    shutdiv.style.visibility='none';
  }
  theobj.thediv.style.visibility='block';
}
				
function closesubnav(event){
  if ((event.clientY <48)||(event.clientY > 107)){
    for (var i=1; i<= numofitems; i++){
      var shutdiv =eval('menuitem'+i+'.thediv');
      shutdiv.style.visibility='none';
    }
  }
}
// -->

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_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; }
}