function ShowMenu(MenuID) 
{ 
if(MenuID.style.display=="none") 
{ 
	MenuID.style.display=""; 
} 
else 
{ 
	MenuID.style.display="none"; 
} 
} 
function checkt()
{
	var txt=document.cpage.page.value;
	for (var i=0;i<txt.length;i++){
	cmp="0123456789"
	tst=txt.substring(i,i+1)
	if (cmp.indexOf(tst)<0){
	alert("请输入数字，不能含有空格");
	document.cpage.page.focus();
	return false;
	}}

}
function winopen(url)
{
window.open(url,"","toolbar=no,menubar=no,location=no,width=420,height=400,scrollbars=yes,resizable=yes");
}