function checkForm() {
	var nameValue = trim(document.forms[0].name.value);
	var phoneValue = trim(document.forms[0].phone.value);
	var emailValue = trim(document.forms[0].email.value);
	var subjectValue = trim(document.forms[0].subject.value);
	var messageValue = trim(document.forms[0].message.value);
	
	var errorString = "";
	
	if (nameValue == "") {
		errorString = errorString + "* Please fill in the Name field.\n\n";
	} 
	if (emailValue == "") {
		errorString = errorString + "* Please fill in the Email Address field.\n\n";
	} else {
		var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
		if (!filter.test(emailValue)) {
			errorString = errorString + "* Please fill in a valid Email Address.\n\n";
		} 
	}
	if (subjectValue=="") {
		errorString = errorString + "* Please fill in the Subject field.\n\n";
	}
	if (messageValue=="") {
		errorString = errorString + "* Please fill in the Message field.\n\n";
	}
	
	if (trim(errorString) != "") {
		alert("Form Errors\n----------------------\n\n"+errorString);
	} else {
		document.forms[0].submit();
	}
	
	}
	
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