function over(img,ref) { document.images[img].src = ref; }
function out(img,ref) { document.images[img].src = ref; }
function ow(f,x,y) {
myWin=open(f,"displayWindow","width="+x+",height="+y+",status=no,toolbar=no,menubar=no,resizable=yes,scrollbars=yes");
myWin.focus();
}
function popup(title,archivo,ancho,alto) {
var hor;
var ver;
var ubix;
var ubiy;
ubix=ancho/2;
ubiy=alto/2;
hor= screen.width/2-ubix;
ver= screen.height/2-ubiy;
popwin=window.open("","_blank","left="+hor+",top="+ver+",toolbar=0,location=0,directories=0,status=0,menubar=no,scrollbars=yes,resizable=yes,width="+ancho+",height="+alto);
popwin.document.open();
popwin.document.write(''+title+' ');
popwin.document.close();
}
function popup_prn(title,archivo,ancho,alto) {
var hor;
var ver;
var ubix;
var ubiy;
ubix=ancho/2;
ubiy=alto/2;
hor= screen.width/2-ubix;
ver= screen.height/2-ubiy;
popwin=window.open("","_blank","left="+hor+",top="+ver+",toolbar=0,location=0,directories=0,status=0,menubar=no,scrollbars=yes,resizable=no,width="+ancho+",height="+alto);
popwin.document.open();
popwin.document.write(''+title+' ');
popwin.document.close();
}