function buscar(tipo){
	if (tipo=txt){
	document.forms[0].submit();
	}
	else{
	document.forms[1].submit();
	}
}

function comprar(){
	document.forms[2].submit();
}

function comprarmaq(){
	document.forms.compramaq.submit();
}

function comprarrec(){
	document.forms.comprarec.submit();
}

function comprartrac(){
	document.forms.compratrac.submit();
}

function terminacompra(){
	document.forms[1].submit();
}
function borrararticulos(valor){
	eval (document.forms[valor].elements["TPRODUCTO"+valor].value=0);
	window.location.reload();
}
function popup(bUrl, bName,features)
{
  var viewerpop = window.open(bUrl,bName,features);
  if (!viewerpop.opener)viewerpop.opener=self;
  if (viewerpop.focus)viewerpop.focus();

}
function openDec(url, name, w, h) {
	popupWin = window.open(url, name, 'width=' + w + ',height=' + h + '');
        //popupWin = window.open(url, name, 'resizable=0,scrollbars=0,width=' + w + ',height=' + h + '');
    // focus window (only for Navigator >= 3.0)
    if ( (navigator.appName != "Microsoft Internet Explorer") && (navigator.appVersion.substring(0,1) == "3") )
    popupWin.focus();
}