function showLogo(nLogo) {
    var sm;
    for (i=2;i<15;i++) {
        sm = document.getElementById("logo_"+i);
        sm.style.visibility = "hidden";
    }
    
    sm = document.getElementById("logo_"+nLogo);
    //alert(sm.style.visibility);
    if (sm.style.visibility != 'visible')
        sm.style.visibility = 'visible';
}

function hideLogo(nLogo) {
    var sm = document.getElementById("logo_"+nLogo);
    //alert(sm.style.visibility);
    if (sm.style.visibility == 'visible')
        sm.style.visibility = "hidden";
}

function recomendar_site() {

	var url;
	url = "/Common/Recomendar.aspx"
	window.open(url,'recomendar_site','toolbar=no,height=430,top=200,left=200,width=490,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no');
}

function showhidediv(pag,ndiv){ 
    if (document.getElementById) { // DOM3 = IE5, NS6 
        if (document.getElementById('div_'+ndiv).style.visibility == 'hidden') {
            document.getElementById('div_'+ndiv).style.visibility = 'visible'; 
            document.getElementById('div_'+ndiv).style.display = 'block'; 
            //setanew = new Image();
            //setanew.src = "/vending/pics/seta2.gif";
            //document.images['img_'+ndiv].src = setanew.src;
        }
        else {
            document.getElementById('div_'+ndiv).style.visibility = 'hidden';
            document.getElementById('div_'+ndiv).style.display = 'none';
            
            //var nImg = eval(document.getElementById('seta'));
            //setanew = new Image();
            //setanew.src = "/vending/pics/seta1.gif";
            //document.images['img_'+ndiv].src = setanew.src;
        }
        if (pag == 1)
            ndivs = 7;
        if (pag == 2)
            ndivs = 4;
        if (pag == 3)
            ndivs = 13;
        if (pag == 8)
            ndivs = 9;
            
        for (i=1;i<(ndivs+1);i++) {
            if (i != ndiv) {
                document.getElementById('div_'+i).style.visibility = 'hidden';
                document.getElementById('div_'+i).style.display = 'none';
            }
        }
    }
}