// Open centered Popups

function openPopup(url,width,height)
{
	var l = (screen.availWidth - width) / 2;
	var t = (screen.availHeight - height) / 2;
	popup = window.open(url,"Popup","width="+width+",height="+height+",screenX="+l+",screenY="+t+",left=" +l+",top="+t+",scrollbars=1,resizable=1,menubar=no");
	popup.focus();
}

// Open rel="external" in new window
// target="_blank" does not validate in XHTML 1.0 Strict

/*
function externallinks()
{
	var ls=document.getElementsByTagName('a');
	for(var i=0;i<ls.length;i++){
		if(ls[i].getAttribute('rel')=='external'){
			if(ls[i].title.length>'0'){
				ls[i].title+=' [Öffnet sich in neuem Fenster]';
			}
			ls[i].onclick=function(){window.open(this.href);return false}
		}
	}
}

Event.observe(window, 'load', externallinks);
*/

function relTags() {
	if (document.getElementsByTagName) {
		var anchors = document.getElementsByTagName( "a" );
		for (var loop = 0; loop < anchors.length; loop++) {
			var anchor = anchors[loop];
			if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") {
				anchor.target = "_blank";
			}
		}
	}
}

Event.observe(window, 'load', relTags);

function brandsOnly(){

	if($("form-brand-only").checked==true){

		$("form-brands-high").disabled=true;
		$("form-brands-medium").disabled=true;
		$("form-brands-low").disabled=true;
		$("form-brand").disabled=false;

	}
	else {

		$("form-brands-high").disabled=false;
		$("form-brands-medium").disabled=false;
		$("form-brands-low").disabled=false;
		$("form-brand").disabled=true;
		$("form-brand").options[0].selected=true;

	}

}

function toogleDelivery(val){

	if(val=='pickup'){
		if($('delivery-address-box').style.display!='none'){
			Effect.Fade('delivery-address-box');
		}
		$('payment-0-box').style.display='block';
		$('payment-1-box').style.display='none';
		if($('payment-box').style.display!='block'){
			Effect.Appear('payment-box');
		}
	}
    else if(val=='montage'){
		if($('delivery-address-box').style.display!='none'){
			Effect.Fade('delivery-address-box');
		}
		$('payment-1-box').style.display='block';
        $('payment-0-box').style.display='none';
		if($('payment-box').style.display!='block'){
			Effect.Appear('payment-box');
		}
	}

	else if(val=='delivery'){
		Effect.toggle('delivery-address-box','appear');
		$('payment-1-box').style.display='block';
		$('payment-0-box').style.display='none';
		if($('payment-box').style.display!='block'){
			Effect.Appear('payment-box');
		}
	}
	else if(val=='none'){
		if($('delivery-address-box').style.display!='none'){
			Effect.Fade('delivery-address-box');
		}
		if($('payment-box').style.display!='none'){
			Effect.Fade('payment-box');
		}
	}

}