function getWindowData(){ 
	    var widthViewport,heightViewport,xScroll,yScroll,widthTotal,heightTotal; 
	    if (typeof window.innerWidth != 'undefined'){ 
	        widthViewport= window.innerWidth-17; 
	        heightViewport= window.innerHeight-17; 
	    }else if(typeof document.documentElement != 'undefined' && typeof document.documentElement.clientWidth !='undefined' && document.documentElement.clientWidth != 0){ 
	        widthViewport=document.documentElement.clientWidth; 
	        heightViewport=document.documentElement.clientHeight; 
	    }else{ 
	        widthViewport= document.getElementsByTagName('body')[0].clientWidth; 
	        heightViewport=document.getElementsByTagName('body')[0].clientHeight; 
	    } 
	    xScroll=self.pageXOffset || (document.documentElement.scrollLeft+document.body.scrollLeft); 
	    yScroll=self.pageYOffset || (document.documentElement.scrollTop+document.body.scrollTop); 
	    widthTotal=Math.max(document.documentElement.scrollWidth,document.body.scrollWidth,widthViewport); 
	    heightTotal=Math.max(document.documentElement.scrollHeight,document.body.scrollHeight,heightViewport); 
	    return [widthViewport,heightViewport,xScroll,yScroll,widthTotal,heightTotal]; 
	} 
	function abrir(i){ 
	    var pagina=getWindowData(); 
	    document.getElementById('atenuar').style.display='block';
	    document.getElementById('atenuar').style.position='fixed';
	    	    document.getElementById('atenuar').style.top='0';
   	    	    document.getElementById('atenuar').style.left='0';
	    document.getElementById('colaboraFluiters'+i).style.display='block';
	  	    document.getElementById('colaboraFluiters'+i).style.position='fixed';
	    document.getElementById('colaboraFluiters'+i).style.width=600+'px'; 
	    document.getElementById('colaboraFluiters'+i).style.height=400+'px'; 
	    document.getElementById('colaboraFluiters'+i).style.top=(pagina[1]/2)-(400/2)+pagina[3]+'px'; 
	    document.getElementById('colaboraFluiters'+i).style.left=(pagina[0]/2)-(600/2)+pagina[2]+'px'; 
	
	} 
	function cerrar(i){ 
		if (i!=undefined)
		{
		    document.getElementById('colaboraFluiters'+i).style.display='none'; 
		    document.getElementById('atenuar').style.display='none';
		}
	}