var milliseconds = 0;

function startRenewingSession(MINUTES) {
	//MINUTES argument is the length of the session

	//define how many seconds before the session timeout to renew the session
	var BEFORE_OFFSET = 10;

	//transform the number of minutes into the number of milliseconds
	milliseconds = MINUTES * 60 * 1000;

	//subtract the amount of milliseconds before expiry to renew
	milliseconds = milliseconds - (BEFORE_OFFSET * 1000);

	//and then renew the session in that amount of milliseconds
	startTimer();
}

//start the timer to renew the session in the specified number of milliseconds
function startTimer() {
	setTimeout(renewSession, milliseconds);
}

//called by the timer
function renewSession() {
	//load the pagelet to renew the session
	$.ajax({
		url: "/assets/pagelet/renewSession.cfm"
	});

	//and then start the timer again so we will renew the session again
	startTimer();
}

/*
 * Url preview script 
 * powered by jQuery (http://www.jquery.com)
 * 
 * written by Alen Grakalic (http://cssglobe.com)
 * 
 * for more info visit http://cssglobe.com/post/1695/easiest-tooltip-and-image-preview-using-jquery
 *
 */
 
this.screenshotPreview = function(){	
	/* CONFIG */
		
		xOffset = -10;
		yOffset = -200;
		
		// these 2 variable determine popup's distance from the cursor
		// you might want to adjust to get the right result
		
	/* END CONFIG */
	$("a.screenshot").hover(function(e){
		this.t = this.title;
		this.title = "";	
		var c = (this.t != "") ? "<br/>" + this.t : "";
		$("body").append("<p id='screenshot'><img src='"+ this.rel +"' alt='url preview' />"+ c +"</p>");								 
		$("#screenshot")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px")
			.fadeIn("fast");						
    },
	function(){
		this.title = this.t;	
		$("#screenshot").remove();
    });	
	$("a.screenshot").mousemove(function(e){
		$("#screenshot")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px");
	});			
};


// starting the script on page load
$(document).ready(function(){
	screenshotPreview();
});