// Designed by xh_xu@msn.com  QQ:78445766
function gel(a){
	return document.getElementById?document.getElementById(a):null;
}
/*设置首页*/
function setHomePage(url){
	if(!window.confirm("是否设置http://"+document.location.host+"为首页?")){
        return false;
    }
    if (window.sidebar){
        try {
           netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
        }catch (e){
           alert("此操作被浏览器拒绝！\n请在浏览器地址栏输入“about:config”并回车\n然后将[signed.applets.codebase_principal_support]设置为'true'");
        }
        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
        prefs.setCharPref('browser.startup.homepage',url);
    }
}


/* 本年号 */
function sYear(){
	var year="";
	mydate=new Date();
	myyear=mydate.getYear();
	year=(myyear > 200) ? myyear : 1900 + myyear;
	document.write(year);
}


/*预览*/

 function pview(obj){
        var stText=obj.innerHTML;
        var oPaNode=obj.parentNode.parentNode;
        var bHasFrame=oPaNode.getElementsByTagName("iframe");
        //var h2=oPaNode.getElementsByTagName("h3")[0];
				var h2=oPaNode.parentNode.previousSibling;
        var url=h2.getElementsByTagName("a")[0].getAttribute("href");
				//alert("URL="+url);
        if(stText=="预览"){
            if(bHasFrame.length==0){
                var p=document.createElement("p");
                p.className="viewD";
                var iframe=document.createElement("iframe");
                iframe.setAttribute("frameborder","0");
                iframe.setAttribute("SECURITY","restricted");
                iframe.setAttribute("src",url);
                iframe.setAttribute("allowtransparency","no");
                iframe.setAttribute("scrolling","auto");
								iframe.setAttribute("width","790px");
                iframe.className="viewF";
                p.appendChild(iframe);
                oPaNode.appendChild(p);
            }else{
                bHasFrame[0].setAttribute("src",url);
                bHasFrame[0].style.display="block";
            }
            obj.className="view clview";
            obj.innerHTML="关闭预览";
        }else{
            bHasFrame[0].style.display="none";
            bHasFrame[0].setAttribute("src","");
            obj.className="view";
            obj.innerHTML="预览";
        }
    }