/***************************/
//@Author: Adrian "yEnS" Mato Gondelle
//@website: www.yensdesign.com
//@email: yensamg@gmail.com
//@license: Feel free to use it, but keep this credits please!	
// Modified: James Carpenter	
//
//  This component expects the following HTML to be in page somewhere:
//      <div id="backgroundPopup"></div>
//      <div id="popupWnd">
//  		<a id="popupClose">x</a>			
//          WHAT YOU WANT IN THE POPUP GOES HERE !!! 
//      </div>
/***************************/

//SETTING UP OUR POPUP
//0 means disabled; 1 means enabled;
var popupStatus = 0;

//loading popup with jQuery magic!
function loadPopup(){
	//loads popup only if it is disabled
	if(popupStatus==0){
		$("#backgroundPopup").css({
			"opacity": "0.7"
		});
		$("#backgroundPopup").fadeIn("normal");
		$("#popupWnd").fadeIn("normal");
		popupStatus = 1;
	}
}

//disabling popup with jQuery magic!
function disablePopup(){
	//disables popup only if it is enabled
	if(popupStatus==1){
		$("#backgroundPopup").fadeOut("normal");
		$("#popupWnd").fadeOut("normal");
		popupStatus = 0;
	}
}

//centering popup
function centerPopup(popupWidth, popupHeight){
	//request data for centering
	var windowWidth = document.documentElement.clientWidth;
	var windowHeight = document.documentElement.clientHeight;
	
	popupWidth = (popupWidth != undefined) ? popupWidth : 0;
	popupHeight = (popupHeight != undefined) ? popupHeight : 0;
	
	// either set the width or pull it from the CSS
	if (popupWidth > 0)
	    $("#popupWnd").height(popupWidth);
	else
	    popupWidth = $("#popupWnd").width();
	
	// either set the height or pull it from the CSS
	if (popupHeight > 0)
	    $("#popupWnd").height(popupHeight);
	else
	    popupHeight = $("#popupWnd").height();
	
	//centering
	$("#popupWnd").css({
		"position": "absolute",
		"top": windowHeight/2-popupHeight/2,
		"left": windowWidth/2-popupWidth/2
	});
	//only need force for IE6
	
	$("#backgroundPopup").css({
		"height": windowHeight
	});
	
	// finally, lets load the popup
	loadPopup();
}


$(document).ready(function()
{
    //Click the x event!
    $("#popupClose").click(function(){
        disablePopup();
    });
    //Click out event!
    $("#backgroundPopup").click(function(){
        disablePopup();
    });
    //Press Escape event!
    $(document).keypress(function(e){
        if(e.keyCode==27 && popupStatus==1){
            disablePopup();
        }
    });
});