/**
 * @copyright Copyright (C) 2007 Hyh. All rights reserved.
 * @link http://www.hyh.pl
 */

function hideElement(sName)
{
	if(document.getElementById(sName)) {
		document.getElementById(sName).style.display = 'none';
	}
}


function showElement(sName, sStyle)
{
	if(!sStyle) {
		sStyle = 'block';
	}
	
	if(document.getElementById(sName)) {
		document.getElementById(sName).style.display = sStyle;
	}
}


function tabs(iNr, iMax)
{
	var sPrefix = 'tab';
	
	for(i = 1; i <= iMax; ++i) {
		if(iNr != i) {
			hideElement(sPrefix + i);
		} else {
			showElement(sPrefix + iNr, 'block');
		}
	}
}