var popupStatus = 0;

$(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();
		}
	});

});
//loading popup with jQuery magic!
function loadPopup(){
	//loads popup only if it is disabled
	var popupStatus = 0;
	if(popupStatus==0){
		$("#backgroundPopup").css({
			"opacity": "0.5"
		});
		
		$("#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();
	var w = 0; 
	var h = 0;	
	w = screen.availWidth;
	h = screen.availHeight;
	//centering

	$("#popupContact").css({
		"position": "absolute",
		"top": (h-420)/2,//-popupHeight/2,
		"left": (w-700)/2//-popupWidth/2


/* 	var w = 0; 
	var h = 0;
	w = screen.availWidth;
	h = screen.availHeight;
	var popW = 600, popH = 400;
	var leftc = (w-popW)/2;
	var topc = (h-popH)/2;	
				 */

		
	});
	//only need force for IE6
	$("#backgroundPopup").css({
		"height": windowHeight
	});
	
}