//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": "0.3"
 });
 $("#backgroundPopup").fadeIn("slow");
 $("#popupContact").fadeIn("slow");
 popupStatus = 1;
 }
}

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

//centering popup
function centerPopup(){
 //request data for centering
 var windowWidth = document.documentElement.clientWidth;
 var windowHeight = document.documentElement.clientHeight;
 var popupHeight = $("#popupContact").height();
 var popupWidth = $("#popupContact").width();
 //centering
 $("#popupContact").css({
 "position": "fixed",
 "top": (windowHeight/2-popupHeight/2)/2,
 "left": windowWidth/2-popupWidth/2
 });
 //only need force for IE6

 $("#backgroundPopup").css({
 "height": windowHeight
 });

}

function generate_popup()
{
	
	centerPopup();
	loadPopup();
	$("#popupContact").draggable({ handle: '#handle' });
	
}
//CONTROLLING EVENTS IN jQuery
$(document).ready(function(){

 //LOADING POPUP
 //Click the button event!
 $("#button").click(function(){
 //centering with css
 centerPopup();
 //load popup
 loadPopup();
 });

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

});