// JavaScript Document
function setHomepage()
{
	var title =  window.document.title;
	var url =  window.document.location;
	if (document.all)
    {
      document.body.style.behavior='url(#default#homepage)';
	  document.body.setHomePage(url);
    }
    else if (window.sidebar)
    {
	    if(window.netscape)
    	{
			try
			{  
				netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");  
			} 
			catch(e)  
			{  
				alert("this action was aviod by your browser,if you want to enable,please enter about:config in your address line,and change the value of signed.applets.codebase_principal_support to true");  
			}
    	} 
	    var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components. interfaces.nsIPrefBranch);
    	prefs.setCharPref('browser.startup.homepage',url);
	}
}