function validateEmails(){ alert("Data validated."); }
function regSubmit() {
	alert("Data validated.");
}

// Ensure the user of this form has entered the required fields.
function validateData()
{
	 var txtUserName      = getElementById( "user_name"           );
	 var txtPassword      = getElementById( "pass_word"           );
// var txtSecurity      = getElementById( "security_code"       );

	 var txtFirstName        = getElementById( "FIRST_NAME"       );
	 var txtLastName         = getElementById( "LAST_NAME"        );
	 var txtEmail            = getElementById( "EMAIL"            );
	 var txtPhoneAreaCode    = getElementById( "PHONE_AREA_CODE"  );
	 var txtPhoneLocalCode   = getElementById( "PHONE_LOCAL_CODE" );
	 var txtPhoneNumber      = getElementById( "PHONE_NUMBER"     );
	 var txtComments         = getElementById( "COMMENTS"         );
	 var sPhoneValue         = txtPhoneAreaCode.value + txtPhoneLocalCode.value + txtPhoneNumber.value;
	 var bRequirementsMet    = true;

	 if( txtUserName.value.length == 0 ) {
			bRequirementsMet = false;
	 }
	 if( txtPassword.value.length == 0 ) {
			bRequirementsMet = false;
	 }
		/*if( txtSecurity.value.length != 6 ) {
			bRequirementsMet = false; */
	 }
	 if( txtFirstName.value.length == 0 && txtLastName.value.length == 0 ) {
			bRequirementsMet = false;
	 }
	 if( bRequirementsMet && ( txtEmail.value.length == 0 ) ) {
			bRequirementsMet = false;
	 }

	 if( ( txtPhoneAreaCode.value.length != 3 || txtPhoneLocalCode.value.length != 3 || txtPhoneNumber.value.length != 4 ) ) {
			bRequirementsMet = false;
	 }
	 
	 if( !bRequirementsMet ) {
			window.alert( "\nPlease enter your NAME, PHONE NUMBER, EMAIL and ADDRESS." ); // and SECURITY CODE
	 } else {
			if( bRequirementsMet && txtEmail.value.length > 0 ) {
				 var nAtSymbolIndex = txtEmail.value.indexOf( "@" );
				 var sUserName      = "";
				 var sServerName    = "";
				 
				 if( nAtSymbolIndex > 0 && nAtSymbolIndex < txtEmail.value.length - 1 ) {
						sUserName = txtEmail.value.substring( 0, nAtSymbolIndex );
						sServerName = txtEmail.value.substring( nAtSymbolIndex + 1 );
						nAtSymbolIndex = sServerName.indexOf( "." );
				 }
				 if( nAtSymbolIndex == -1 || sUserName.length == 0 || sServerName.length == 0 ) {
						window.alert( "You have entered an invalid email address. Please enter a correct email address." );
						bRequirementsMet = false;
				 }
			}
			var txtZip = getElementById( "ZIP" );
			if( txtZip != null )
				 txtZip.value = txtZip.value.toUpperCase();

			txtZip = getElementById( "SELLER_ZIP" );
			if( txtZip != null )
				 txtZip.value = txtZip.value.toUpperCase();
			if( typeof( txtComments ) != "undefined" && txtComments != null && txtComments.value.length > 2900 ) {
				 bRequirementsMet = false;
				 window.alert( "\nYour comments are too long.  Please try to limit the length of your comments to 2900 characters.\n" );
			}
	 }
	 
	 // The SELLER minimum price must be less than or equal to the maximum price.
	 if( bRequirementsMet ) {
			var txtMinPrice = getElementById( "SELLER_MIN_PRICE" );
			var txtMaxPrice = getElementById( "SELLER_MAX_PRICE" );
			if( typeof( txtMinPrice ) != "undefined" && txtMinPrice != null && typeof( txtMaxPrice ) != "undefined" && txtMaxPrice != null ) {
				 var sMinPrice = txtMinPrice.value;
				 var sMaxPrice = txtMaxPrice.value;
				 // Pre-parse the string to remove any non digit characters
				 sMinPrice = sMinPrice.replace( /\$|\+|,/g,         "" );
				 sMaxPrice = sMaxPrice.replace( /\$|\+|,/g,         "" );
			
				 // Convert from a string to a number.
				 var nMinPrice = new Number( sMinPrice );
				 var nMaxPrice = new Number( sMaxPrice );
			
				 if( sMinPrice.length != 0 && sMaxPrice.length != 0 ) {
						if( nMinPrice != Number.NaN && nMaxPrice != Number.NaN && nMinPrice > nMaxPrice ) {
							 window.alert( "\nYou have specified an invalid minimum or maximum price.  Please\nensure that the minimum price is not greater than the maximum price\nin the price range section.\n" )
							 bRequirementsMet = false;
						}
				 }
			}
	 }

	 // The BUYER minimum price must be less than or equal to the maximum price.
	 if( bRequirementsMet ) {
			var txtMinPrice = getElementById( "BUYER_MIN_PRICE" );
			var txtMaxPrice = getElementById( "BUYER_MAX_PRICE" );
			if( typeof( txtMinPrice ) != "undefined" && txtMinPrice != null && typeof( txtMaxPrice ) != "undefined" && txtMaxPrice != null ) {
				 var sMinPrice = txtMinPrice.value;
				 var sMaxPrice = txtMaxPrice.value;
				 // Pre-parse the string to remove any non digit characters
				 sMinPrice = sMinPrice.replace( /\$|\+|,/g,         "" );
				 sMaxPrice = sMaxPrice.replace( /\$|\+|,/g,         "" );
			
				 // Convert from a string to a number.
				 var nMinPrice = new Number( sMinPrice );
				 var nMaxPrice = new Number( sMaxPrice );
			
				 if( nMinPrice != Number.NaN && nMaxPrice != Number.NaN && nMinPrice > nMaxPrice ) {
						window.alert( "\nYou have specified an invalid minimum or maximum price.  Please\nensure that the minimum price is not greater than the maximum price\nin the price range section.\n" )
						bRequirementsMet = false;
				 }
			}
	 }
	 
	 return bRequirementsMet;
}

// Retrieve an element by it's ID attribute
// NOTE: This function is used in place of
//  'document.getElementById() to support
//  Internet Explorer 4.01.
function getElementById( id ) {
	 if( typeof( document.getElementById ) == "undefined" ) {
			for( var i = 0; i < document.all.length; i++ ) {
				 var el = document.all( i );
				 if( el.id == id ) {
						return el;
				 }
			}
	 }
	 else {
			return document.getElementById( id );
	 }
}


// Initialize the document
function init() {
	 var statusSeller   = getElementById( "STATUS_SELLER"   );
	 var statusBoth      = getElementById( "STATUS_BOTH"      );
	 
	 var status = "Buyer";
	 if( statusSeller.checked ) {
			status = "Seller";
	 } else if ( statusBoth.checked ) {
			status = "Both";
	 }
	 
	 enableSection( status );
	 size( getElementById( "TABLE_PICTURES" ) );
	 var backgroundImage = getElementById( "BACKGROUND_IMAGE" );
	 if( typeof( backgroundImage ) != "undefined" && backgroundImage != null ) {
			backgroundImage.style.visibility = "visible";
	 }
	 enableAddressFields( false );
}


function size( objTable ) {
	 var backgroundImage = getElementById( "BACKGROUND_IMAGE" );
	 
	 if( typeof( backgroundImage ) != "undefined" && backgroundImage != null && typeof( objTable ) != "undefined" && objTable != null ) {
			backgroundImage.style.left   = objTable.offsetLeft;
			backgroundImage.style.top    = objTable.offsetTop;
			backgroundImage.style.width  = objTable.offsetWidth;
			backgroundImage.style.height = objTable.offsetHeight;
	 }
}


// Enable the Buyer, Seller or both sections
function enableSection( section ) {
	 setControl( getElementById( "SELLER_MIN_PRICE"               ), section == "Buyer" );
	 setControl( getElementById( "SELLER_MAX_PRICE"               ), section == "Buyer" );
	 setControl( getElementById( "SELLER_SQUAREFEET"               ), section == "Buyer" );
	 setControl( getElementById( "SELLER_BEDROOMS"               ), section == "Buyer" );
	 setControl( getElementById( "SELLER_BATHROOMS"               ), section == "Buyer" );
	 setControl( getElementById( "SELLER_AGE"                  ), section == "Buyer" );
	 setControl( getElementById( "SELLER_FEATURES"               ), section == "Buyer" );
	 setControl( getElementById( "SELLER_LOCATION_SAME_ADDRESS"      ), section == "Buyer" );
	 setControl( getElementById( "SELLER_HOUSE_NO"               ), section == "Buyer" );
	 setControl( getElementById( "SELLER_STREET_NAME"            ), section == "Buyer" );
	 setControl( getElementById( "SELLER_SUITE_NO"               ), section == "Buyer" );
	 setControl( getElementById( "SELLER_CITY"                  ), section == "Buyer" );
	 setControl( getElementById( "SELLER_STATE"                  ), section == "Buyer" );
	 setControl( getElementById( "SELLER_ZIP"                  ), section == "Buyer" );
	 setControl( getElementById( "SELLER_COUNTY"                  ), section == "Buyer" );
	 setControl( getElementById( "SELLER_AREA"                  ), section == "Buyer" );
	 setControl( getElementById( "SELLER_LOCATION"               ), section == "Buyer" );
	 setControl( getElementById( "TXT_SELLER"                  ), section == "Buyer" );
	 setControl( getElementById( "TXT_SELLER_MIN_PRICE"            ), section == "Buyer" );
	 setControl( getElementById( "TXT_SELLER_MAX_PRICE"            ), section == "Buyer" );
	 setControl( getElementById( "TXT_SELLER_SQUAREFEET"            ), section == "Buyer" );
	 setControl( getElementById( "TXT_SELLER_BEDROOMS"            ), section == "Buyer" );
	 setControl( getElementById( "TXT_SELLER_BATHROOMS"            ), section == "Buyer" );
	 setControl( getElementById( "TXT_SELLER_AGE"               ), section == "Buyer" );
	 setControl( getElementById( "TXT_SELLER_FEATURES"            ), section == "Buyer" );
	 setControl( getElementById( "TXT_SELLER_LOCATION"            ), section == "Buyer" );
	 
	 setControl( getElementById( "BUYER_MIN_PRICE"      ), section == "Seller", "$0" );
	 setControl( getElementById( "BUYER_MAX_PRICE"      ), section == "Seller", "no maximum" );
	 setControl( getElementById( "BUYER_SQUAREFEET"      ), section == "Seller", "0-999"   );
	 setControl( getElementById( "BUYER_BEDROOMS"      ), section == "Seller", "1"      );
	 setControl( getElementById( "BUYER_BATHROOMS"      ), section == "Seller", "1"      );
	 setControl( getElementById( "BUYER_AGE"            ), section == "Seller", "0-9"   );
	 setControl( getElementById( "BUYER_FEATURES"      ), section == "Seller" );
	 setControl( getElementById( "BUYER_LOCATION"      ), section == "Seller" );
	 setControl( getElementById( "BUYER_CITY"         ), section == "Seller" );
	 setControl( getElementById( "BUYER_STATE"         ), section == "Seller" );
	 setControl( getElementById( "BUYER_COUNTY"         ), section == "Seller" );
	 setControl( getElementById( "BUYER_AREA"         ), section == "Seller" );
	 setControl( getElementById( "TXT_BUYER"            ), section == "Seller" );
	 setControl( getElementById( "TXT_BUYER_MIN_PRICE"   ), section == "Seller" );
	 setControl( getElementById( "TXT_BUYER_MAX_PRICE"   ), section == "Seller" );
	 setControl( getElementById( "TXT_BUYER_SQUAREFEET"   ), section == "Seller" );
	 setControl( getElementById( "TXT_BUYER_BEDROOMS"   ), section == "Seller" );
	 setControl( getElementById( "TXT_BUYER_BATHROOMS"   ), section == "Seller" );
	 setControl( getElementById( "TXT_BUYER_AGE"         ), section == "Seller" );
	 setControl( getElementById( "TXT_BUYER_FEATURES"   ), section == "Seller" );
	 setControl( getElementById( "TXT_BUYER_LOCATION"   ), section == "Seller" );
	 enableAddressFields( false );
}


function enableAddressFields( clearValues ) {
	 var objCheckbox = getElementById( "SELLER_LOCATION_SAME_ADDRESS" );
	 var objRadio = getElementById( "STATUS_BUYER" );
	 if( typeof( objCheckbox ) == "undefined" || objCheckbox == null ) {
			return;
	 }
	 if( typeof( objRadio ) == "undefined" || objRadio == null ) {
			return;
	 }
var disable = objRadio.checked || objCheckbox.checked;
var ctrlHouseNo      = getElementById( "SELLER_HOUSE_NO"    );
var ctrlStreetName   = getElementById( "SELLER_STREET_NAME" );
var ctrlSuiteNo      = getElementById( "SELLER_SUITE_NO"    );
var ctrlCity      = getElementById( "SELLER_CITY"        );
var ctrlState      = getElementById( "SELLER_STATE"       );
var ctrlZip         = getElementById( "SELLER_ZIP"         );

setControl( ctrlHouseNo,   disable );
setControl( ctrlStreetName,   disable );
setControl( ctrlSuiteNo,   disable );
setControl( ctrlCity,      disable );
setControl( ctrlState,      disable );
setControl( ctrlZip,      disable );

setControl( getElementById( "TXT_SELLER_HOUSE_NO"      ), disable );
setControl( getElementById( "TXT_SELLER_STREET_NAME"   ), disable );
setControl( getElementById( "TXT_SELLER_SUITE_NO"      ), disable );
setControl( getElementById( "TXT_SELLER_CITY"         ), disable );
setControl( getElementById( "TXT_SELLER_STATE"         ), disable );
setControl( getElementById( "TXT_SELLER_ZIP"         ), disable );

if( disable ) {
	 setValue( ctrlHouseNo,      "HOUSE_NO"      );
	 setValue( ctrlStreetName,   "STREET_NAME"   );
	 setValue( ctrlSuiteNo,      "SUITE_NO"      );
	 setValue( ctrlCity,         "CITY"         );
	 setValue( ctrlState,      "STATE"         );
	 setValue( ctrlZip,         "ZIP"         );
}
else if( typeof( clearValues ) == "undefined" ) {
	 clearValue( ctrlHouseNo      );
	 clearValue( ctrlStreetName   );
	 clearValue( ctrlSuiteNo      );
	 clearValue( ctrlCity      );
	 clearValue( ctrlState      );
	 clearValue( ctrlZip         );
}
}


function clearValue( obj ) {
if( typeof( obj ) != "undefined" && obj != null ) {
	 obj.value = "";
}
}


function setValue( obj, name ) {
	 var obj2 = getElementById( name );
	 if( typeof( obj ) != "undefined" && obj != null && typeof( obj2 ) != "undefined" && obj2 != null ) {
			var width = obj.offsetWidth;
			obj.value = obj2.value;
			obj.style.width = width;
	 }
}


function setControl( control, disable, value ) {
	 if( typeof( control ) != "undefined" && control != null ) {
			control.disabled = disable;
			if( disable ) {
				 control.value = typeof( value ) == "undefined" ? "" : value;
				 if( control.checked ) {
						control.checked = false;
				 }
			}
	 }
}


function moveToNextField( id ) {
	 if( window.event.keyCode != 9 ) {
			if( getElementById( id ).value.length == 3 ) {
				 if( id == "PHONE_AREA_CODE" ) {
						getElementById( "PHONE_LOCAL_CODE" ).focus();
				 }
				 else if( id == "PHONE_LOCAL_CODE" ) {
						getElementById( "PHONE_NUMBER" ).focus();
				 }
			}
	 }
}


function allowKeys( obj, keys ) {

	 var bAllowKey = false;
	 for( var i = 0; i < keys.length; i++ ) {
			if( keys.charAt( i ) == String.fromCharCode( window.event.keyCode ) ) {
				 bAllowKey = true;
				 break;
			}
	 }
	 if( !bAllowKey ) {
			window.event.cancelBubble = true;
			window.event.keyCode = 0;
	 }
}


function validateInput( obj, keys ) {
	 if( typeof( window.clipboardData ) != "undefined" ) {
			var sData = window.clipboardData.getData( "Text" )
			var sTemp = "";
			if( typeof( sData ) != "undefined" ) {
				 for( var i = sData.length; --i >= 0; ) {
						for( var j = keys.length; --j >= 0; ) {
							 if( sData.charAt( i ) == keys.charAt( j ) ) {
									sTemp += sData.charAt( i );
							 }
						}
				 }
			}
	 
			window.clipboardData.setData( "Text", sTemp );
	 }
}

function Submit() { 
	 if( validateData() ) {
		 	alert("Data not validating.");
			getElementById( "SUBMIT" ).disabled = true;
			var pForm = getElementById( "frmMain" );
			pForm.submit();
	 } else {
		 alert("Data not validated.");
	 }
}

function enableBestTime() {
	 var txtPhoneArea   = getElementById( "PHONE_AREA_CODE"      );
	 var txtPhoneLocal   = getElementById( "PHONE_LOCAL_CODE"   );
	 var txtPhoneNumber   = getElementById( "PHONE_NUMBER"      );
	 var obgBestTime      = getElementById( "BEST_TIME"         );

	 if( typeof( txtPhoneArea ) != "undefined" && txtPhoneArea != null && typeof( obgBestTime ) != "undefined" && obgBestTime != null ) {
			obgBestTime.disabled = !( txtPhoneArea.value.length != 0 || txtPhoneLocal.value.length != 0 || txtPhoneNumber.value.length != 0 );
	 }
}