function externalLinks() 
	{	
	if (!document.getElementsByTagName) return; 
 	var anchors = document.getElementsByTagName("a"); 
 	for (var i=0; i<anchors.length; i++)
		{ 
   		var anchor = anchors[i]; 
   		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "blank")anchor.target = "_blank"; 
		} 
	} 

window.addEvent('domready', function(){
	externalLinks();
});

    
window.addEvent('domready', function(){

	var imgs = $$('div.bilder div.img');
	
	imgs.each(function(element){
		element.setStyle('opacity',.7);
		var fx = new Fx.Styles(element,{duration:250, wait:false})
		element.addEvent('mouseenter',function()
			{ fx.start({'opacity':1}) });
		element.addEvent('mouseleave',function()
			{ fx.start({'opacity':.7}) });
		});
});