function trim(inputString) {
   // Removes leading and trailing spaces from the passed string. Also removes
   // consecutive spaces and replaces it with one space. If something besides
   // a string is passed in (null, custom object, etc.) then return the input.
   if (typeof inputString != "string") { return inputString; }
   var retValue = inputString;
   var ch = retValue.substring(0, 1);
   while (ch == " ") { // Check for spaces at the beginning of the string
      retValue = retValue.substring(1, retValue.length);
      ch = retValue.substring(0, 1);
   }
   ch = retValue.substring(retValue.length-1, retValue.length);
   while (ch == " ") { // Check for spaces at the end of the string
      retValue = retValue.substring(0, retValue.length-1);
      ch = retValue.substring(retValue.length-1, retValue.length);
   }
   while (retValue.indexOf("  ") != -1) { // Note that there are two spaces in the string - look for multiple spaces within the string
      retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length); // Again, there are two spaces in each of the strings
   }
   return retValue; // Return the trimmed string back to the user
} // Ends the "trim" function


function IsFieldEmpty(field)
{
   trimmedString = trim(field.value);
   if (trimmedString.length == 0)
	 {
	    return true;
	 }
	 return false;
}

function VerifyForm(form)
{
			 
		if (IsFieldEmpty(form.email))
		{
		   alert("Please indicate your email address.");
			 form.email.focus();
	   	 return false;
		}
		
		if (form.comp_description.selectedIndex == 0)
		{
		  alert("Please select a description of your company.");
			form.comp_description.focus();
			return false;
		}

		if (form.comp_type.selectedIndex == 0)
		{
		  alert("Please select what type of company authored the reView file.");
			form.comp_type.focus();
			return false;
		}
 		return true;
		
}