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

(function($){
  $.fn.vCenter = function(options) {
    var pos = {
      sTop : function() {
        return window.pageYOffset || document.documentElement && document.documentElement.scrollTop ||	document.body.scrollTop;
      },
      wHeight : function() { 
        return window.innerHeight || document.documentElement && document.documentElement.clientHeight || document.body.clientHeight;
      },
      sLeft : function() {
        return window.pageXOffset || document.documentElement && document.documentElement.scrollLeft ||	document.body.scrollLeft;
      },
      wWidth : function() {
        return window.innerWidth || document.documentElement && document.documentElement.clientWidth ||	document.body.clientWidth;
      }
    };
    return this.each(function(index) {
      if (index == 0) {
        var $this = $(this);
        var elHeight = $this.height();
        var elWidth = $this.width();
		    var elTop = pos.sTop() + (pos.wHeight() / 2) - (elHeight / 2);
		    var elLeft = pos.sLeft() + (pos.wWidth() / 2) - (elWidth / 2);
        $this.css({
          position: 'absolute',
          marginTop: '0',
          top: elTop,
          left: elLeft
        });


      }
    });
  };

})(jQuery);


//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").css({
			"background": "url('include/i/background-popup.gif') repeat"
		});*/
		
		
		$("#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 #contactArea").html("");
		$("#popupContact").fadeOut("slow");
		
		popupStatus = 0;
	}
}

//centering popup
function centerPopup(strHtml){
	$("#popupContact #contactArea").html(strHtml);
			
	//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": "absolute",
		"top": windowHeight/2-popupHeight/2,
		"left": windowWidth/2-popupWidth/2
	});
	$("#popupContact").css({
		"position": "relative",
		"top": (319)*-1,
		"left": 0
	});*/
	
	$("#popupContact").vCenter();
	
	
	//only need force for IE6
	
	$("#backgroundPopup").css({
		"height": windowHeight
	});
	
}


//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();
		}
	});

});