// JavaScript Document
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

// Form Validation Script

function checkWholeForm(theForm) {
    var why = "";
	why += checkName(theForm.name.value);
	why += checkEmail(theForm.email.value);
	if (why != "") {
       alert(why);
       return false;
    }
return true;
}

// Name textbox
function checkName(strng) {
var error = "";
  if (strng.length == 0) {
     error = "Your Name has not been filled in.\n"
  }
return error;	  
}

// check Email string
function checkEmail(strng) {
var error="";
if (strng == "") {
   error = "You didn't enter an E-mail address.\n";
}

if (strng == "yourname@web.com") {
   error = "You didn't enter an E-mail address.\n";
}

    var emailFilter=/^.+@.+\..{2,3}$/;
    if (!(emailFilter.test(strng))) { 
       error = "Please enter a valid E-mail address.\n";
    }
    else {
//test email for illegal characters
       var illegalChars= /[\(\)\!\~\`\#\$\%\^\*\{\}\|\'\?\<\>\,\;\:\\\"\[\]]/
         if (strng.match(illegalChars)) {
          error = "The E-mail address contains illegal characters.\n";
       }
    }
return error;    
}

/////////////////////////////////////////////////////////
//        Function to clear form input value           //
/////////////////////////////////////////////////////////
function clear_form_value(clear) {
  if (clear.defaultValue==clear.value) clear.value = ""
}
function add_form_value(add)
{
   if (add.value=="") add.value = add.defaultValue
}