//
    //  getPageSize()
    //
    function getPageSize()
	{
	     var xScroll, yScroll;
		
		if (window.innerHeight && window.scrollMaxY) {	
			xScroll = window.innerWidth + window.scrollMaxX;
			yScroll = window.innerHeight + window.scrollMaxY;
		} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
			xScroll = document.body.scrollWidth;
			yScroll = document.body.scrollHeight;
		} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
			xScroll = document.body.offsetWidth;
			yScroll = document.body.offsetHeight;
		}
		
		var windowWidth, windowHeight;
		
		if (self.innerHeight) {	// all except Explorer
			if(document.documentElement.clientWidth){
				windowWidth = document.documentElement.clientWidth; 
			} else {
				windowWidth = self.innerWidth;
			}
			windowHeight = self.innerHeight;
		} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
			windowWidth = document.documentElement.clientWidth;
			windowHeight = document.documentElement.clientHeight;
		} else if (document.body) { // other Explorers
			windowWidth = document.body.clientWidth;
			windowHeight = document.body.clientHeight;
		}	
		
		// for small pages with total height less then height of the viewport
		if(yScroll < windowHeight){
			pageHeight = windowHeight;
		} else { 
			pageHeight = yScroll;
		}
	
		// for small pages with total width less then width of the viewport
		if(xScroll < windowWidth){	
			pageWidth = xScroll;		
		} else {
			pageWidth = windowWidth;
		}

		return [pageWidth,pageHeight];
	}
	
	
	

function SendNewsletterRequest()
{
	pageSize = getPageSize();

	$('editOverlay').setStyle( {height: pageSize[1] + "px", width: pageSize[0] + "px" }).setOpacity(0.3).show();
	$('editPanel').setStyle({ height: "150px"});
	$('editPanel').setStyle( {top: "50px", left: (pageSize[0]/2 - $('editPanel').getWidth()/2) + "px" } ).show();

	ShowLoadingStatus();
	
	new Ajax.Request("ajax/newsletter_action.php", {
		parameters: { action: "join", email: $F('txtNewsletterEmail'), company: $F('txtNewsletterCompany') },
		onComplete: function(response)
		{
			$('editPanel').update("<div style=\"text-align:center;\"><br /><h2>Tack för din anmälan till vårt nyhetsbrev</h2><br /><br /><input type=\"button\" value=\"Stäng\" onclick=\"HideEditPanel()\"></div>");
			$('txtNewsletterEmail').value = "";
			$('txtNewsletterCompany').value = "";
		}
	});
}


function ShowLoadingStatus()
{
	$('editPanel').update('<br /><br /><div style="text-align:center;"><img src="images/loading.gif"></div>');
}

function HideEditPanel()
{
	$('editOverlay').hide();
	$('editPanel').hide();
	
	try {
		CKEDITOR.instances.txtContent.destroy();
	}
	catch (err) {}
	
	try {
		CKEDITOR.instances.txtInstructor.destroy();
	}
	catch (err) {}
	
	try {
		$('FlashID').style.visibility = 'visible'; //must hide the flash when showing the edit panel...
	}
	catch (err) {}
}