var popupStatus = 0;

//loading popup with jQuery magic!
function loadPopup(){
	
	var annUrl =document.getElementById('annoucementUrl').value;
	
	//here to initial announcement content	
	var url_ajax =annUrl+'.html'; 
    $.get(url_ajax,
            function(data){
    			$("#contactArea").hide();
    			$("#contactArea").empty().html(data);
    			var check =$('#contactArea:contains("empty_announcement")').length;
    			if(check>0){
    				$("#contactArea").empty().html("There are currently no announcements.");
    			}
    			$("#contactArea").show();
            }
    ); 		
	
	//loads popup only if it is disabled
	if(popupStatus==0){
		$("#backgroundPopup").css({
			"opacity": "0.7"
		});
		$("#backgroundPopup").fadeIn("fast");
		$("#popupContact").fadeIn("fast");
		popupStatus = 1;
	}
}

//disabling popup with jQuery magic!
function disablePopup(){
	//disables popup only if it is enabled
	if(popupStatus==1){
		$("#backgroundPopup").fadeOut("fast");
		$("#popupContact").fadeOut("fast");
		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 announceBtn = $(".announcement_image");
	
	//centering
	$("#popupContact").css({
		"position": "absolute",
		"top": announceBtn.position().top + announceBtn.height(),
		"left": announceBtn.position().left + announceBtn.width() - popupWidth
	});
	//only need force for IE6
	
	$("#backgroundPopup").css({
		"height": windowHeight
	});
	
}

function checkAnnouncementCookie()
{
	var lastdate =document.getElementById('lastModifyDate').value;
    var cookieString = escape(lastdate); 
	var cname=$.cookie("mtp_hp_announce");
	if (!(cname!=null && cname!=""))
	{
		$.cookie('mtp_hp_announce',cookieString,{ expires: 365, path: '/' });
	}
} 

//CONTROLLING EVENTS IN jQuery
$(document).ready(function(){
	
	//LOADING POPUP
	//Click the button event!
	$("a.announcement_popup").click(function(){
		//centering with css
		$("#contactArea").empty();
		centerPopup();
		//load popup
		loadPopup();
	});
	
	var cname=$.cookie("mtp_hp_announce");
	var annUrl =document.getElementById('annoucementUrl').value;
	var lastdate =document.getElementById('lastModifyDate').value;
	if(annUrl!=""){
	$.get(annUrl+".html",
            function(data){
				$("#contactArea").empty().html(data);
				var check =$('#contactArea:contains("empty_announcement")').length;
			
    			if(check==0){
    				
    				if(!(annUrl === ""))
    				{
    					var cookieString = escape(lastdate);
    					if(cname==null || cname==="")
    					{
    						centerPopup();
    						if(popupStatus==0){
    							$("#backgroundPopup").css({
    								"opacity": "0.7"
    							});
    							$("#backgroundPopup").fadeIn("fast");
    							$("#popupContact").fadeIn("fast");
    							popupStatus = 1;
    						}
    						$.cookie('mtp_hp_announce',cookieString,{ expires: 365, path: '/' }); 
    					}
    					else
    					{
    						if(cname != cookieString)
    						{
    							centerPopup();
    							if(popupStatus==0){
    								$("#backgroundPopup").css({
    									"opacity": "0.7"
    								});
    								$("#backgroundPopup").fadeIn("fast");
    								$("#popupContact").fadeIn("fast");
    								popupStatus = 1;
    							}
    							$.cookie('mtp_hp_announce',cookieString,{ expires: 365, path: '/' });      
    						}					
    					}
    				}
    			}
    			
            }
    ); 		
	

	}

	
	
	

				
	//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();
		}
	});
	
});