function Reload()
{
	location.reload();
}
function JumpURL(url)
{
	if(url == 'close')
	{
		close();
	}
	else
	{
		if(url != '')
		{
			window.location = url;
		}
	}
}
function BackTo(page)
{
	window.history.go(page);
}
function SetOptURL(url,precheck,addstr)
{
	var delstr = /~/;
	var blank = '';
	if(document.forms[0].precheck.checked)
	{
		url.replace(delstr,addstr);
	}
	else
	{
		 url.replace(delstr,blank);
	}
	if(url != '')
	{
		window.location = url;
	}
}