var maximo;
  
  function desmembraArr(val){
    var repr="";
  
    if (typeof val == "object" ||
	    typeof val == "array") {		
	    for (i in val) 
		  repr += val[i] + ", ";
	    repr = repr.substr(0, repr.length-2) ;
    } else {
	  repr += val;
    }  
    return repr;

  }



  function abrir(arq,lnk){
    document.getElementById("img_arq").src = arq;
	document.getElementById("img_lnk").href = lnk;  
    $('#ifxElement').DropInRight(500);
  }
  
  function Anterior() {    
    maximo = img.length-1;
	x--;
	if(x<0)x=maximo;
	abrir(img[x],lnk[x]);
  }

  function Proximo() {
    maximo = img.length-1;
	x++;	
	if(x>maximo)x=0;	
	abrir(img[x],lnk[x]);
  }

  function slideshow(){   
    Proximo();    
    tout = setTimeout("slideshow()",9000);    
  }