/**
 * FlashScaler
 * -----------
 * @version     v1.1 
 * @author      Jonathan Nicol, f6design.com, f6design.com/journal/ 
 * @copyright   Copyright 2006-2010, Jonathan Nicol
 * @license     Creative Commons BSD license (http://creativecommons.org/licenses/BSD/)
 * 
 * Credits
 * -------
 * This class makes use of Simon Willison's addLoadEvent function (http://simon.incutio.com/archive/2004/05/26/addLoadEvent)
 * and viewport size capturing javascript by Peter-Paul Koch (http://www.quirksmode.org/viewport/compatibility.html)
 * 
 * @param {String} flashdiv
 * 		The div that contains the flash onject/embed tag. IE: the same div SwfObject writes to.
 * 
 * @param {Number} w
 * 		Minimum width of Flash Movie. If browser window is narrower, scrollbars will be forced.
 * 
 * @param {Number} h
 * 		Minimum height of Flash Movie. If browser window is shorter, scrollbars will be forced.
 * 
 * Changelog
 * ---------
 * v1.1
 * - Added disable method
 *
 */ 
 
function FlashScaler(flashdiv,w,h)
{
		
	var flashObj = document.getElementById(flashdiv);
	var minW = w;
	var minH = h;
    var enabled = true;	
	addWindowEvent("onload",resize);
	addWindowEvent("onresize",resize);
	
	function addWindowEvent(eventtype,func)
    {
      	var oldEvent= window[eventtype];
      	if (typeof window[eventtype] != 'function') {
        	window[eventtype] = func;
      	} else {
        	window[eventtype] = function() {
          	if (oldEvent) {
           	 oldEvent();
          	}
          	func();
        	}
      	}	 	
	}
	
	function resize()
    {
        if (enabled){
            if (self.innerHeight) // all except Explorer
    		{
    			winW = self.innerWidth;
    			winH = self.innerHeight;
    		}
    		else if (document.documentElement && document.documentElement.clientHeight)	// Explorer 6 Strict Mode
    		{
    			winW = document.documentElement.clientWidth;
    			winH = document.documentElement.clientHeight;
    		}
    		else if (document.body) // other Explorers
    		{
    			winW = document.body.clientWidth;
    			winH = document.body.clientHeight;
    		}	
    		if(winH<minH) {
    			flashObj.style.height = minH+"px";
    		} else {
    			flashObj.style.height = "100%";
    		}
    		if(winW<minW) {
    			flashObj.style.width = minW+"px";
    		} else {
    			flashObj.style.width = "100%";
    		}
        } else {
            flashObj.style.width = "auto";
            flashObj.style.height = "auto";
        }
			
	}
    
    this.disable = function()
    {
        enabled = false;
    }
	
}