var isDHTML = 0;
var isLayers = 0;
var isAll = 0;
var isID = 0;
currDisplay = "none"
currDisplayOff = "none"
if (document.getElementById) {isID = 1; isDHTML = 1;}
else {
browserVersion = parseInt(navigator.appVersion);
if ((navigator.appName.indexOf('Netscape') != -1) && (browserVersion == 4)) {isLayers = 1; isDHTML = 1;}
else {
if (document.all) {isAll = 1; isDHTML = 1;}
}}

function findDOM(objectID,withStyle) {
  var menuArea = "menuArea";
  if (withStyle == 1) {
    if (isID) { return (document.getElementById(objectID).style) ; }
    else { 
      if (isAll) { return (document.all[objectID].style); }
      else {
        if (isLayers) { return (document.layers[menuArea].layers[objectID]); }
      };
    }
   }
   else {
     if (isID) { return (document.getElementById(objectID)) ; }
     else { 
       if (isAll) { return (document.all[objectID]); }
       else {
         if (isLayers) { return (document.layers[menuArea].layers[objectID]); }
       };
     }
   }
}

function toggleDisplay(objectID,objectIDOff) {
  if (isAll || isID) {
    if (currDisplay != "none") {
        domStyle = findDOM(currDisplay,1);
        domStyle.display='none';
        domStyle = findDOM(currDisplayOff,1);
        domStyle.display='block';
    }
    if (currDisplay != objectID) {
       domStyle = findDOM(objectID,1);
       domStyle.display='block';
       currDisplay=objectID;
       domStyle = findDOM(objectIDOff,1);
       domStyle.display='none';
       currDisplayOff=objectIDOff;
    } else {
       domStyle = findDOM(objectID,1);
       domStyle.display='none';
       currDisplay="none";
       domStyle = findDOM(objectIDOff,1);
       domStyle.display='block';
       currDisplayOff="none";
    }
  }
  return;
}

function submitIt(whichForm) {

  if (whichForm.Name.value == "") {
     alert("Please fill in your Name")
     whichForm.Name.focus()
     whichForm.Name.select()
     return false
  }

  if (whichForm.CompanyName.value == "") {
     alert("Please fill in your Company Name")
     whichForm.CompanyName.focus()
     whichForm.CompanyName.select()
     return false
  }

  if (whichForm.City.value == "") {
         alert("Please fill in your City")
         whichForm.City.focus()
         whichForm.City.select()
         return false
  }

  if (whichForm.Email.value == "") {
         alert("Please fill in your E-mail Address")
         whichForm.Email.focus()
         whichForm.Email.select()
         return false
  }

  whichForm.submit()
}