// preload images..thanks .jeff!

var iPath = '/_images/';
var iExt = 'gif';
var suffix = new Array('on', 'off');

function preLoad()
{
  if(document.images)
  {
    var argLen = arguments.length;
    for(var i = 0; i < argLen; i++)
    {
      var arg = arguments[i];
      var sufLen = suffix.length;
      for(j = 0; j < sufLen; j++)
      {
        var suf = suffix[j]
        self[arg + '_' + suf] = new Image();
        self[arg + '_' + suf].src = iPath + arg + '_' + suf + '.' + iExt;
      }
    }
  }
}

function onLoad()
{
  preLoad('home', 'parties', 'fun', 'store', 'book');
}

//window.onload = onLoad;


function rollOver(iName, iState)
{
  if(document.images && self[iName + '_' + iState])
  {
    document.images[iName].src = self[iName + '_' + iState].src;
  }
}

function popWin(page, w, h)
{	
	//constants definitions
	var POPUP_WIDTH = w;
	var POPUP_HEIGHT = h;
	var URL = page;
	var WINDOW_NAME = "newWin";		
	
	//the center properties
	var window_width = POPUP_WIDTH;
	var window_height = POPUP_HEIGHT;
	var screen_balance_w = ((screen.width)-(window_width))/2;
	var screen_balance_h = ((screen.height)-(window_height))/2;
	var set_top = screen_balance_h;
	var set_left = screen_balance_w;	
	
	win = window.open(URL,WINDOW_NAME,'width=' + window_width + ',height=' + window_height + ',top=' +  set_top + ',left=' + set_left + ',menubar=yes, resizeable=yes, scrollbars=yes');
	win.focus();
}