/* Global vars*/

var stylescheme = "day"; //default
var bIsDayTime = new Date().getHours() < 18; //REVERSED FOR DEVELOPENT
var PNG_hackIE = false;

function setActiveStyleSheet(title) {

	if(title == null)
		title = bIsDayTime ? "day" : "eve";
		
	stylescheme = title; //set global var

   var i, a, swtichImages;
   switchImgs = 0;
   for(i=0; (a = document.getElementsByTagName("link")[i]); i++) 
   {
     if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) 
     {
		a.disabled = true;
		if(a.getAttribute("title") == stylescheme)
		{ 
			a.disabled = false;
			switchImgs = 1;			
		}
     }
   }
	if(switchImgs)
		switchImages();		
	
	if (PNG_hackIE && navigator.platform == "Win32" && navigator.appName == "Microsoft Internet Explorer" && window.attachEvent) 
	{
		CorrectPNG_Backgrounds();
		correctPNG();							
	}			
}


function switchImages()	{
   var i, a, find, replace;
   
	if(stylescheme == "eve"){
		find = "images_day";
		replace = "images_eve";
	}
	else if(stylescheme == "day"){
		find = "images_eve";
		replace = "images_day";
	}
   
   for(i=0; (a = document.getElementsByTagName("img")[i]); i++) 	
   {
		if(a.src.indexOf(find) > -1 )
		{
			a.src = a.src.replace(find,replace);		
		}
   }

}