/***************************/
//@Author: Adrian "yEnS" Mato Gondelle
//@website: www.yensdesign.com
//@email: yensamg@gmail.com
//@license: Feel free to use it, but keep this credits please!					
/***************************/

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

//panel to show
var panelId;

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

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

//centering popup
function centerPopup(panel){
	panelId = panel;
	//request data for centering
	var windowWidth = document.documentElement.clientWidth;
	var windowHeight = document.documentElement.clientHeight;
	var popupHeight = jQuery("#"+panelId).height();
	var popupWidth = jQuery("#"+panelId).width();
	var topValue = windowHeight/2-popupHeight/2;
	if(topValue<0) {
		topValue = "140px";
	}
	//centering
	jQuery("#"+panelId).css({
		"position": "absolute",
		"top": topValue,
		"left": windowWidth/2-popupWidth/2
	});
	//only need force for IE6
	
	jQuery("#backgroundPopup").css({
		"height": windowHeight
	});
	
}


//CONTROLLING EVENTS IN jQuery
jQuery(document).ready(function(){
				
	//CLOSING POPUP
	//Click the x event!
	jQuery("#"+panelId+"Close").click(function(){
		disablePopup();
	});
	//Click out event!
	jQuery("#backgroundPopup").click(function(){
		disablePopup();
	});
	//Press Escape event!
	jQuery(document).keypress(function(e){
		if(e.keyCode==27 && popupStatus==1){
			disablePopup();
		}
	});

});