function $(id){return document.getElementById(id);}

function setSelectedIndex(id, v){
	var _s = $(id);
	for (var i=0; i<_s.options.length; i++){
		if (_s.options[i].value == v){
			_s.options[i].selected = true;
			break;
		}
	}
}

function checkAll(f){
	var _chk = document.getElementsByName('delID');
	for (var i=0; i<_chk.length; i++){  
		_chk[i].checked = f.chkAll.checked;
	}
}

function isSelected(f){
	var _chk = document.getElementsByName('delID');
	for (var i=0; i<_chk.length; i++){  
		if (_chk[i].checked) return true;
	}
	return false;
}

function goPage(p){
	var f = document.forms(0);
	f.action = '?page='+p;
	f.submit();
}

function cs_resize(obj, nw, nh){
	if (nw==0 || nh==0) return;
	var img = new Image();
	img.src = obj.src;
	var iw = img.width;
	var ih = img.height;
	if (iw==0 || ih==0) return;
	if (nw*ih/iw>=nh){
		obj.height = nh;
		obj.width = iw*nh/ih;
	}
	else{
		obj.width = nw;
		obj.height = ih*nw/iw;
	}
}

function chooseLanguage(obj, lang){
	var url = obj.getElementsByTagName('A');
	if (url && url.length>0) url = url[0].href;
	else return;
	var d = new Date();
	d = new Date(d.getYear() + 1, d.getMonth(), d.getDate());
	document.cookie = 'language=' + lang + '; expires=' + d.toGMTString() + '; path=/; ';
	location.href = url;
}