$(document).ready( function() {

	var clearAllValues = new Array( '.clear_value' );
	for( var i = 0; i < clearAllValues.length; i++ ) {
		var object = $( clearAllValues[i] );
		var value = object.val();
		clearValues( object, value );
	}


});

function clearValues( object, value ) {
	object.focus( function() {
		if ( $( this ).val() == value )
			object.val( '' );
	});
	
	object.blur( function() {
		if ( $( this ).val() == '' )
			object.val( value );
	});	
}