var rcook = readCookie('expand');
function getStyle(el,styleProp)
{
	var x = document.getElementById(el);
	if (x.currentStyle)
		var y = x.currentStyle[styleProp];
	else if (window.getComputedStyle)
		var y = document.defaultView.getComputedStyle(x,null).getPropertyValue(styleProp);
	return y;
}
// Random CSS Logo..
function ChangeLogoCSS() {
	
	if(getStyle('logo', 'display') == 'none') {
		return true;	
	}
	var ele	= document.getElementById("logo");
	var NumberOfCSS	= 5; // Number of CSS Classes + 1.
	var Num			= Math.floor(Math.random()*NumberOfCSS);  
	if (!Num > 0) {
		Num = 1;
	}
	if(ele != null) { 
		ele.className="logo"+Num;	
	}
}
function resizeText(multiplier) {
  if (document.body.style.fontSize == "") {
    document.body.style.fontSize = "1.0em";
  }
  document.body.style.fontSize = parseFloat(document.body.style.fontSize) + (multiplier * 0.2) + "em";
}
function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}
function toggleload(arg1, arg2) {
	ChangeLogoCSS();
	if(rcook == 1) { 
		togglewrapper(arg1, arg2)	
	}
}

function togglewrapper(arg1, arg2) {
	var wrapper = document.getElementById("mainwrapper");
	if(wrapper.className == "mainwrapper") { 
		wrapper.className = "mainwrapperexpand";	
		createCookie('expand', '1', 30);
		document['expandimage'].src=arg2;		
	} else {
		wrapper.className = "mainwrapper";	
		eraseCookie('expand');
		document['expandimage'].src=arg1;	
	}
	
}
function getInternetExplorerVersion()
// Returns the version of Internet Explorer or a -1
// (indicating the use of another browser).
{
  var rv = -1; // Return value assumes failure.
  if (navigator.appName == 'Microsoft Internet Explorer')
  {
    var ua = navigator.userAgent;
    var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
    if (re.exec(ua) != null)
      rv = parseFloat( RegExp.$1 );
  }
  return rv;
}