/**
 * @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 = 'inline';
	}
	
	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');
		}
	}
}


function showHide(iCurrent, aElements, sPrefix)
{
	for(i = 0; i <= aElements.length; ++i) {
		if(iCurrent != aElements[i]) {
			hideElement(sPrefix + aElements[i]);
		} else {
			if(document.getElementById(sPrefix + aElements[i]).style.display == 'block') {
				hideElement(sPrefix + aElements[i]);
			} else {
				showElement(sPrefix + iCurrent, 'block');
			}
		}
	}
}