var intro1 = false;
var submitprofile1 = false;
var agentslibrary1 = false;

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		intro_over = newImage("images/intro_over.gif");
		intro_down = newImage("images/intro_down.gif");
		intro_over008 = newImage("images/intro_over-08.gif");
		intro_down009 = newImage("images/intro_down-09.gif");
		submitprofile_down = newImage("images/submit-profile_down.gif");
		submitprofile_down012 = newImage("images/submit-profile_down-12.gif");
		submitprofile_over = newImage("images/submit-profile_over.gif");
		submitprofile_down014 = newImage("images/submit-profile_down-14.gif");
		submitprofile_over015 = newImage("images/submit-profile_over-15.gif");
		agentslibrary_down = newImage("images/agents-library_down.gif");
		agentslibrary_down018 = newImage("images/agents-library_down-18.gif");
		agentslibrary_over = newImage("images/agents-library_over.gif");
		preloadFlag = true;
		
		sLocation = document.location.pathname;
		sPath = sLocation.slice(0,sLocation.lastIndexOf("/"));
		switch (sLocation) {
		  case "/users/": {
		  changeImages('intro', 'images/intro_over.gif');
		  intro1 = true;
		    break;
		  }
		  case "/users/register.asp": {
		  changeImages('submitprofile', 'images/submit-profile_over.gif');
		  submitprofile1 = true;
		    break;
		  }
		  case "/users/login.asp": {
		    changeImages('agentslibrary', 'images/agents-library_over.gif');
		    agentslibrary1 = true;
		    break;
		  }
		}
	}
}