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_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];}
}

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() { //Redd Liao
  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.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\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 += '- Please enter '+nm+'.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}


	// pop up other selection for magazines 
	function handleMagazines() {
	
	//txt=document.forms[0].magazine.options[document.forms[0].magazine.selectedIndex].text;
		txt = document.getElementById("magazine").options[document.getElementById("magazine").selectedIndex].text;
	
		// check to see if the (other) magazine option was selected 
	
		if (txt == "(other)") 
		{ 
			document.getElementById("otherMagazine").style.display = "inline";
		} 
		else { 
			document.getElementById("otherMagazine").style.display = "none";
		}
	}
	
		
	function enableMagazines() { 
 		document.getElementById("magazineBody").style.display = "inline";
		// hide the rest
		document.getElementById("webBody").style.display = "none";
		document.getElementById("referralBody").style.display = "none";
		document.getElementById("otherMagazine").style.display = "none";
		
		// enable other field if we get back onto this option from another option
		txt = document.getElementById("magazine").options[document.getElementById("magazine").selectedIndex].text;
		// check to see if the (other) magazine option was selected 
		
		if (txt == "(other)") 
		{ 
			document.getElementById("otherMagazine").style.display = "inline";
		} 
	}
	
	function enableWeb() {
		// hide the rest
		document.getElementById("webBody").style.display = "inline";
		
		document.getElementById("magazineBody").style.display = "none";
		document.getElementById("referralBody").style.display = "none";
		document.getElementById("otherMagazine").style.display = "none";
	}

	function enableReferral() {
		document.getElementById("referralBody").style.display = "inline";
		// hide the rest
		document.getElementById("webBody").style.display = "none";
		document.getElementById("magazineBody").style.display = "none";
		document.getElementById("otherMagazine").style.display = "none";
	}
	
	function clearAll() {
		document.getElementById("webBody").style.display = "none";
		document.getElementById("magazineBody").style.display = "none";
		document.getElementById("referralBody").style.display = "none";
		document.getElementById("otherMagazine").style.display = "none";
	}
  //
  //  VALIDATION CODE
  // 	
 
  function validateOnSubmit() {
   //isEmpty(inquiry_form.firstName.value);
   var why = "";
   var travelCount = 0;
   
 
 	 travelCount += (inquiry_form.chkMorocco.value == "on") ? 1 : 0;
  	 travelCount += (inquiry_form.chkAfrica.value == "on") ? 1 : 0;
     travelCount += (inquiry_form.chkTurkey.value == "on") ? 1 : 0;
	 travelCount += (inquiry_form.chkPeru.value == "on") ? 1 : 0;
 	 travelCount += (inquiry_form.chkSpain.value == "on") ? 1 : 0;
	 travelCount += (inquiry_form.chkPortugal.value == "on") ? 1 : 0;
  
   why += checkFirstName(inquiry_form.firstName.value);
   why += checkLastName(inquiry_form.lastName.value);
   why += checkEmail(inquiry_form.emailAddress.value);
  	
	if (travelCount < 1) { 
		why += "Please select at least one travel interest.";
	}
	
	if (why != "") { 
		var errorMsg = "Error: The form has not been completed.\n\n";
		
		alert(errorMsg + why);
		return (false);
	}
	
    return (true);
  };