var  p_useRGBA = false;
	try
	{
		p_useRGBA = document.createElement('var');
		p_useRGBA.style.backgroundColor = 'rgba(255,255,255,1)' ;	
        //FF and Opera will get empty string, and IE will throw error for invalid assignment 
		p_useRGBA = !!p_useRGBA.style.backgroundColor;
		
	
	}catch(err){ p_useRGBA = false ;};
	
	
	if(p_useRGBA){
			   document.write('<link rel="stylesheet" href="http://sat.essentielemeditatie.nl/stijl/rgba.css" type="text/css">');
			}