function _(sId){return document.getElementById(sId);}

function showHide(el,show,dispStyle)
{
	if (!dispStyle) dispStyle = 'block';
	var _e = _(el);
	if (show)
		_e.style.display=dispStyle;
	else
		_e.style.display='none';
}
function togggle(el)
{
	var _e = document.getElementById(el);
	if(_e.style.display=='' || _e.style.display=='none')
		_e.style.display='block';
	else
		_e.style.display='none';
}

function showImg(path, title, winName)
{
	window.open('showImg.htm?i='+encodeURIComponent(path)+'&title='+encodeURIComponent(title),winName,'toolbar=no,status=yes,location=no,menubar=no,width=200,height=100,left=150,top=50');
}
function showImgGl(path,title,descr,winName)
{
	window.open('showImgGl.htm?i='+encodeURIComponent(path)+'&title='+encodeURIComponent(title)+'&descr='+encodeURIComponent(descr),winName,'resizable=yes,toolbar=no,status=yes,location=no,menubar=no,width=200,height=100,left=150,top=0');
}
// -----------------------------------------------------------------------------

function fReq(virgullu)
{
	var names = virgullu.split(",");
	var elArr;
	var el;
	for (i=0;i<names.length;i++) {
		elArr = document.getElementsByName(names[i]);
		el = elArr[0];
		var ck=true;
		if (el.type=='radio') {
			ck = false;
			for (j=0;j<elArr.length;j++)
				if (elArr[j].checked) ck = true;
		}
		if (el.value=='' || !ck) {
			alert(YZ_LANG['FREQ1']+el.title+YZ_LANG['FREQ2']);
			el.focus();
			return false;
		}
	}
	return true;
}