function ajax_load(div,url){
	$("#"+div).load(url);
}

function popup(url,language,query,extra){
	
	var PageScroll = getPageScroll();
	var PageSizes = getPageSize();
	
	$('#black').css('display','block');
	$('#black').css('visibility','visible');
	$('#black').css('height',PageSizes[2]*3);
	
	$('#popup').css('width', '300px');
	$('#popup').css('left', '30%');
	$('#popup').css('top', PageScroll[1] + (PageSizes[3] / 10) );
	$('#popup').css('border', '1px solid #555');
	$('#popup').css('visibility','visible');
	$('#popup').css('display', 'block');
	
	$('#loader').css('display','block');
	
	if(query == ""){
		$.get(url,{language:language,extra:extra}, function(data){
			if(data!=""){$('#loader').css('display','none');}
			$("#popup").html(data);
		});
	}else{
		$.get(url,{language:language,query:query,extra:extra}, function(data){
			if(data!=""){$('#loader').css('display','none');}
			$("#popup").html(data);
		});
	}
}

function openpopup(url,title,width,height){
	windowprops = "width="+width+",height="+height+",locationbar=no,scrollbars=yes,menubars=no,toolbars=no,resizable=yes";
	window.open(url,title, windowprops);
}

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;
	}
	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight);
	return arrayPageSize;
}


function getPageScroll() {
	var xScroll, yScroll;
	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
		xScroll = self.pageXOffset;
	} else if (document.documentElement && document.documentElement.scrollTop) {	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
		xScroll = document.documentElement.scrollLeft;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
		xScroll = document.body.scrollLeft;	
	}
	arrayPageScroll = new Array(xScroll,yScroll);
	return arrayPageScroll;
}


function cl_popup(){
	$('#black').css('display','none');
	$('#popup').css('display','none');
}

function credit(){
	$("#credit").show("slow");
	$("#debit").hide();
	return false;
}

function debit(){
	$("#debit").show("slow");
	$("#credit").hide();
	return false;
}

function validate_subscription(i){
	
	var firstname = document.subscription.firstname.value;
	var lastname = document.subscription.lastname.value;
	var email = document.subscription.email.value;
	var password = document.subscription.password.value;
	var reppassword = document.subscription.reppassword.value;
	var accept = document.subscription.accept.value;
	
	if((firstname=="" && lastname=="" && email=="" && password=="" && reppassword=="") || accept!="1" || password!=reppassword){
		if(i=="de"){alert("Es wurden nicht alle erforderlichen Felder ausgefüllt. Bitte korrigieren Sie dies und melden Sie sich erneut an.");}
		if(i=="en" || i==""){alert("The required fields were not completed. Please try again and resubmit.");}
		return false;
	}

	return "";
}