function OpenWindow(url,w,h){
	winName = "_new"
	if (!h)popHeight = screen.availHeight - 50;
	else popHeight = h;
	
	// 自动调整窗体位置到客户端浏览器的中间位置
	// added by zhu.shao
	width = window.screen.availWidth;
	height = window.screen.availHeight;
	offset_width = (width - w) / 2;
	offset_height = (height - h) / 2;
	
	winParams = 'toolbar=no,location=no,directories=no,status=no,top=' + offset_width + ', left=' + offset_height + ', menubar=no,scrollbars=yes,resizable=no,width=' + w + ',height=' + popHeight;
	newwin = window.open(url, winName, winParams);
	newwin.focus();
}

function OpenWindowWithName(url,winName,w,h){
	if (!h)popHeight = screen.availHeight - 50;
	else popHeight = h;
	winParams = 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,width=' + w + ',height=' + popHeight;
	newwin = window.open(url, winName, winParams);
	newwin.focus();
}

// 使不同名称的单选按钮可以单选
// Writed by 朱邵
function selectRadio(obj)
{
	var i;
	var objItem;
	var sType;
	var objForm = document.forms.item(0);
	
	// 把当前单选按钮置为选中状态
	if ( obj.type = "radio" )
		obj.checked = true;
		
	else
		return false;
	
	// 将其余单选按钮置为非选中状态
	for(i=0;i < objForm.elements.length;i++)
	{
		objItem = objForm.elements(i)
		sType = objItem.type;

		// 可以添加特定前缀，只让此方法对指定的单选按钮有效
		if ( sType == "radio" && objItem != obj )
		{
			objItem.checked = false;
		}
	}
}