/***********************************************
* DD Tab Menu 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 timevar
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){
highlighttab(aobject)
if (turntosingle==0){
if (previoustab!="")
document.getElementById(previoustab).style.display="none"
document.getElementById(cid).style.display="block"
previoustab=cid
}
}
}

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

function collecttablinks(){
var tabobj=document.getElementById("tablist")
tabobjlinks=tabobj.getElementsByTagName("A")
}

function wait(delay){
window.clearTimeout(timevar);
string="do_onload();";
timevar = window.setTimeout(string,delay);
}

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


function validate(form){
   var tformEmail = trim(form.email.value);  
   var email = /^[A-Za-z][\w.-]+@\w[\w.-]+\.[\w.-]*[A-Za-z][A-Za-z]$/
  
	
   if(IsEmpty(form.email)) 
   {  document.getElementById("errorMessage").innerHTML = "Error: You have not entered your email";      
      form.email.focus(); 
      return false; 
   } 
   
   if (!email.test(tformEmail)) {
    document.getElementById("errorMessage").innerHTML = "Error: You have not entered a valid e-mail address";
	form.email.focus();
    return false;
  }  
  	
	if(form.optin.checked == false) 
   {  document.getElementById("errorMessage").innerHTML = "Error: You have not checked the optin box";      
      form.optin.focus(); 
      return false; 
   } 

}

function trim(str)
{
  return str.replace(/^\s+|\s+$/g, '')
}

function resetMessage()
{
  document.getElementById("errorMessage").innerHTML = "";
}
function IsEmpty(aTextField) {
   if ((aTextField.value.length==0) ||
   (aTextField.value==null)) {
      return true;
   }
   else { return false; }
}	

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