function insertEle(divid,beforeid,htmlstr) { 
	 if( document.querySelector("."+divid)){
    	var oTest = document.querySelector("."+divid);
    	var newNode = document.createElement("div"); 
        newNode.style.marginTop="10px";
    	var reforeNode = document.querySelector("."+beforeid); 
    	newNode.innerHTML = htmlstr; 
    	oTest.insertBefore(newNode,reforeNode.nextSibling);
    }
}
if(window.location.href.indexOf('noqrcode')>-1){
	if(document.getElementById('wxbox')){
    	document.getElementById('wxbox').style.display='none';
    }
}