/***************************/
//@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;

//loading popup with jQuery magic!
function loadPopup(){
	//loads popup only if it is disabled
	if(popupStatus==0){
		$("#backgroundPopup").css({
			"opacity": "0.7"
		});
		$("#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(){
	var windowWidth = 0, windowHeight = 0;
	//if statement to weed out inconsistant numbers between versions of IE and Firefox
	  if( typeof( window.innerWidth ) == 'number' ) {
	    //Non-IE
	    windowWidth = window.innerWidth;
	    windowHeight = window.innerHeight;
	  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
	    //IE 6+ in 'standards compliant mode'
	    windowWidth = document.documentElement.clientWidth;
	    windowHeight = document.documentElement.clientHeight;
	  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
	    //IE 4 compatible
	    windowWidth = document.body.clientWidth;
	    windowHeight = document.body.clientHeight;
	  }
	var popupHeight = $("#popupContact").height();
	var popupWidth = $("#popupContact").width();
	//centering
	$("#popupContact").css({
		"position": "absolute",
		"top": windowHeight/2-popupHeight/2,
		"left": windowWidth/2-popupWidth/2
	});
	//only need force for IE6
	
	$("#backgroundPopup").css({
		"height": windowHeight
	});
	
}


//CONTROLLING EVENTS IN jQuery
$(document).ready(function(){
	
	//LOADING POPUP
	//Click the button event!
	$("a.slide").click(function(){
		//centering with css
		centerPopup();
		//load popup
		loadPopup();
	});
				
	//CLOSING POPUP
	//Click the x event!
	$("a.close").click(function(){
		disablePopup();
	});
	//Click out event!
	$("#backgroundPopup").click(function(){
		disablePopup();
	});
	//Press Escape event!
	$(document).keypress(function(e){
		if(e.keyCode==27 && popupStatus==1){
			disablePopup();
		}
	});

});