function chgPage(page)
{
	$('page').value = page;
	$('filter').submit();
}
String.prototype.trim=function()  
{
    return this.replace(/(^\s*)|(\s*$)/g, "");  
}
function addOption(selectId, txt, val)
{
    $(selectId).options.add(new Option(txt, val));
}
function removeOptions(selectId)
{
	for (i=$(selectId).options.length-1; i>=0; i--) {
		$(selectId).options.remove(i);
	}
}
function addOptions(selectId, opts)
{
	for(var v in opts){
		$(selectId).options.add(new Option(opts[v], v));
	}
}
function go(act, pars)
{
	var url = '';
	var div = '';
	var ret = 0;
	var pars = '';
	switch(act) {
		case 'addFav':
			window.external.addFavorite('http://www.12666.com','12666.com');
			return;	
	}
}