function chkRicAv(){

	d=document.ricAvanzata;
	con1=0;
	con2=0;
	d.sub.disabled=true;
	val=d.elements['chkHT[]'].length;
	
	for(i=0; i<val; i++){
		if(d.elements['chkHT[]'][i].checked)con1++;
	}
 
	val=d.elements['chkZona[]'].length;
	for(i=0; i<val; i++){
		if(d.elements['chkZona[]'][i].checked)con2++;
	}
 
	if((con1>0)&&(con2>0)){
		d.sub.disabled=false;
	}

}


function delFoto(n,rnd){
		
		z=window.open('del_photo.php?n='+n+'&rnd='+rnd,'foto','status, width=300, height=200, scrollbars=yes, resizable=yes');
		z.focus();
}