function validateData()
{
	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;
	var txtFocusField;
	
	if( txtFirstName.value.length == 0 && txtLastName.value.length == 0 ) {
		txtFocusField = txtFirstName;
		bRequirementsMet = false;
	}
	if( bRequirementsMet && ( txtEmail.value.length == 0 && sPhoneValue.length == 0 ) ) {
		txtFocusField = txtEmail;
		bRequirementsMet = false;
	}
	
	if( !bRequirementsMet ) {
		window.alert( "\nPlease enter your FIRST NAME or LAST NAME\nand\nPHONE NUMBER or EMAIL ADDRESS.\n" );
		txtFocusField.focus();
	} else {
		if( sPhoneValue.length > 0 && ( txtPhoneAreaCode.value.length != 3 || txtPhoneLocalCode.value.length != 3 || txtPhoneNumber.value.length != 4 ) ) {
			bRequirementsMet = false;
			window.alert( "\nYou have entered an invalid phone number. Please enter a correct phone number.\n" );
			txtPhoneAreaCode.focus();
		}
		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." );
				txtEmail.focus();
				bRequirementsMet = false;
			}
		}
		if( bRequirementsMet && 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" );
			txtComments.focus();
		}
	}
	
	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 );
	}
}


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 init() {
	size( getElementById( "TABLE_PICTURES" ) );
	var backgroundImage = getElementById( "BACKGROUND_IMAGE" );
	if( typeof( backgroundImage ) != "undefined" && backgroundImage != null ) {
		backgroundImage.style.visibility = "visible";
	}
	

	
	getElementById( "FIRST_NAME" ).onkeypress = Capitalize;
	getElementById( "LAST_NAME" ).onkeypress = Capitalize;
}


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


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 enableSection( section ) {
}


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 );
	}
}

function Capitalize()
{
	var el = window.event.srcElement;
	if( el == null ) return;
	
	if( el.getAttribute( "CAP" ) == null )
	{
		el.setAttribute( "CAP", "1" );
		if( el.value == "" ) {
			var nUCharCode = String.fromCharCode( window.event.keyCode ).toUpperCase().charCodeAt(0);
			window.event.keyCode = nUCharCode;
		}
	}
}


function Submit()
{
	if( validateData() ) {
		getElementById( "SUBMIT" ).disabled = true;
		var pForm = getElementById( "frmMain" );
		pForm.submit();
	}
}