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

// 5/23/2011 - added Scroll bar position so the window will appear wherever you are in the page.
//centering popup
function centerPopup(){
	//request data for centering
	var windowWidth = document.documentElement.clientWidth;
	var windowHeight = document.documentElement.clientHeight;
	var scrollHeight = GetVerticalScrollPosition();
	var popupHeight = jQuery("#popupContact").height();
	var popupWidth = jQuery("#popupContact").width();
	//centering
	jQuery("#popupContact").css({
		"position": "absolute",
		"top": (windowHeight/2-popupHeight/2) + scrollHeight,
		"left": windowWidth/2-popupWidth/2
	});
	//only need force for IE6
	
	jQuery("#backgroundPopup").css({
		"height": windowHeight
	});
	
}

function GetVerticalScrollPosition() {
    return filterResults ( window.pageYOffset ? window.pageYOffset : 0, 
            document.documentElement ? document.documentElement.scrollTop : 0,
            document.body ? document.body.scrollTop : 0
        )
}

function filterResults(nWin, nElement, nBody) {
    var result = nWin ? nWin : 0;
    
    if (nElement && (!result || (result > nElement)))
        result = nElement;

    return nBody && (!result || (result > nBody)) ? nBody : result;
}


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

});