// JavaScript Document
function getObject(objectId) 
{
    // cross-browser function to get an object's style object given its id
    if(document.getElementById && document.getElementById(objectId)) 
		return document.getElementById(objectId); // W3C DOM
	else if(document.all && document.all(objectId)) 
		return document.all(objectId);	// MSIE 4 DOM
	else if(document.layers && document.layers[objectId]) 
		return document.layers[objectId];		// NN 4 DOM.. note: this won't find nested layers
	else 
		return false;
}

function show_hide(the_id,showhide)
{
 	var obj = getObject(the_id);
 
 	if(obj.style.visibility != "visible")
	{ // show
 		obj.style.visibility = "visible";
 		obj.style.display = "block"; 
	}
 	else 
	{ // hide
    	obj.style.visibility = "hidden";
        obj.style.display = "none";
  	}
 	// alert(obj.style.visibility+" "+the_id+" "+showhide);
}

function MM_findObj(n, d) { //v4.01

  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {

    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}

  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];

  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);

  if(!x && d.getElementById) x=d.getElementById(n); return x;

}

function MM_validateForm() { //v4.0

  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;

  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);

    if (val) { nm=val.id; if ((val=val.value)!="") {

      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');

        if (p<1 || p==(val.length-1)) errors+='- '+nm+' debe ser una direccion de correo valida.\n';

      } else if (test!='R') { num = parseFloat(val);

        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';

        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');

          min=test.substring(8,p); max=test.substring(p+1);

          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';

    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' es requerido.\n'; }

  } if (errors) alert('Revice la(s) siguiente(s) observacion(es):\n'+errors);

  document.MM_returnValue = (errors == '');

}

function sendComboUrl(element,url,varCbo)
{
	/*obtenemos el elemento seleccionado*/
	var cbo = getObject(element);
	var itemSel = 0;
	
	ItemSel = cbo.options[cbo.selectedIndex].value;	
	url = url+'&'+varCbo+'='+ItemSel;
	
	setTimeout("location.href='"+url+"'",100);
}