/***************************/
//@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)
	{
		jQuery("#backgroundPopup").css({
			"opacity": "0.7"
		});
		jQuery("#backgroundPopup").fadeIn("slow");
		jQuery("#popupContact").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("#popupContact").fadeOut("slow");
		popupStatus = 0;
	}
}

//centering popup
function centerPopup()
{
	var scrolledX, scrolledY; 
	if (self.pageYoffset ) 
	{ 
		scrolledX = self.pageXoffset; 
		scrolledY = self.pageYoffset; 
	} 
	else if( document.documentElement && document.documentElement.scrollTop ) 
	{ 
		scrolledX = document.documentElement.scrollLeft; 
		scrolledY = document.documentElement.scrollTop; 
	}
	else if( document.body ) 
	{ 
		scrolledX = document.body.scrollLeft; 
		scrolledY = document.body.scrollTop; 
	}

	// Next, determine the coordinates of the center of browser's window
	var centerX, centerY; 
	if( self.innerHeight ) 
	{ 
		centerX = self.innerWidth; 
		centerY = self.innerHeight; 
	} 
	else if( document.documentElement && document.documentElement.clientHeight ) 
	{ 
		centerX = document.documentElement.clientWidth; 
		centerY = document.documentElement.clientHeight; 
	} 
	else if( document.body ) 
	{ 
		centerX = document.body.clientWidth; 
		centerY = document.body.clientHeight; 
	}
	
	var popupHeight = jQuery("#popupContact").height();
	var popupWidth = jQuery("#popupContact").width();

	var leftoffset = scrolledX + (centerX - popupWidth) / 2; 
	var topoffset = scrolledY + (centerY - popupHeight) / 2; 
	
	//request data for centering
	var windowWidth = document.documentElement.clientWidth;
	var windowHeight = document.documentElement.scrollHeight;

	//centering
	jQuery("#popupContact").css({
		"position": "fixed",
		"top": 70,
		//"top": windowHeight/2-popupHeight/2, veranderd door remco
		"left": windowWidth/2-popupWidth/2
	});
	//only need force for IE6
	
	jQuery("#backgroundPopup").css({
		"height": windowHeight
	});
	
}


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

});