/***********************************************
* DD Tab Menu II script- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

//Set tab to intially be selected when page loads:
//[which tab (1=first tab), ID of tab content to display]:
var initialtab=[1, "sc1"]

//Turn menu into single level image tabs (completely hides 2nd level)?
var turntosingle=0 //0 for no (default), 1 for yes

//Disable hyperlinks in 1st level tab images?
var disabletablinks=0 //0 for no (default), 1 for yes


////////Stop editting////////////////

var previoustab=""

if (turntosingle==1)
document.write('<style type="text/css">\n#tabcontentcontainer{display: none;}\n</style>')

function expandcontent(cid, aobject){
if (disabletablinks==1)
aobject.onclick=new Function("return false")
if (document.getElementById && turntosingle==0){
highlighttab(aobject)
if (previoustab!="")
document.getElementById(previoustab).style.display="none"
document.getElementById(cid).style.display="block"
previoustab=cid
}
}

function highlighttab(aobject){
if (typeof tabobjlinks=="undefined")
collectddimagetabs()
for (i=0; i<tabobjlinks.length; i++)
tabobjlinks[i].className=""
aobject.className="current"
}

function collectddimagetabs(){
var tabobj=document.getElementById("ddimagetabs")
tabobjlinks=tabobj.getElementsByTagName("A")
}

function do_onload(){
collectddimagetabs()
expandcontent(initialtab[1], tabobjlinks[initialtab[0]-1])
}

if (window.addEventListener)
window.addEventListener("load", do_onload, false)
else if (window.attachEvent)
window.attachEvent("onload", do_onload)
else if (document.getElementById)
window.onload=do_onload


function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function validaCorreo(field, alertx){
	return validaTexto(field, alertx) 
}

function validaTexto(field, alertx){
	with (field){
		if (value==null||value==""){
			alert(alertx); 
			return false
		}else
			return true
	}
}