<!--
function checkRequiredFields(input)
{
    var requiredFields = new Array("yourname", "emailaddress");
	    var fieldNames = new Array("- Your Name\n", "- Your Email Address\n");
		    var fieldCheck   = true;
			    var fieldsNeeded = "Please supply the following information to submit the form:\n\n";
				
				    for(var fieldNum=0; fieldNum < requiredFields.length; fieldNum++) {
					        if ((input.elements[requiredFields[fieldNum]].value == "") ||
							            (input.elements[requiredFields[fieldNum]].value == "@") ||
										            (input.elements[requiredFields[fieldNum]].value == " ")) {
													
													            fieldsNeeded += fieldNames[fieldNum];
																            fieldCheck = false;
																			        }
																					    }
																						    if (fieldCheck == true)
																							    {
																								        return true;
																										    }
																											    else
																												    {
																													        alert(fieldsNeeded);
																															        return false;
																																	    }
																																		}
																																		function toAlpha(checkString)
																																		{
																																		    newString = "";
																																			    count = 0;
																																				    for (i = 0; i < checkString.length; i++) {
																																					        ch = checkString.substring(i, i+1);
																																							        if ((ch >= "a" && ch <= "z") || (ch >= "A" && ch <= "Z" )) {
																																									            newString += ch;
																																												        }
																																														    }
																																															    return newString;
																																																}
																																																//-->