var userAgent = navigator.userAgent.toLowerCase();
var is_opera = userAgent.indexOf('opera') != -1 && opera.version();
var is_moz = (navigator.product == 'Gecko') && userAgent.substr(userAgent.indexOf('firefox') + 8, 3);
var is_ie = (userAgent.indexOf('msie') != -1 && !is_opera) && userAgent.substr(userAgent.indexOf('msie') + 5, 3);


 //让firefox 支持innerText
if(!is_ie){
     HTMLElement.prototype.__defineGetter__("innerText", 
     function(){
         var anyString = "";
         var childS = this.childNodes;
         for(var i=0; i<childS.length; i++) {
             if(childS[i].nodeType==1)
                 //anyString += childS[i].tagName=="BR" ? "\n" : childS[i].innerText;
                 anyString += childS[i].innerText;
             else if(childS[i].nodeType==3)
                 anyString += childS[i].nodeValue;
         }
         return anyString;
     } 
     ); 
     HTMLElement.prototype.__defineSetter__("innerText", 
     function(sText){
         this.textContent=sText; 
     } 
     ); 
}

//FormValid的判断
function checkvalid(obj) {
	if(validator(obj) == false) {
			return false;
	}else {
		loading();
	}
}

function reloadseccode() {
	document.getElementById('seccodeimage').innerHTML = '<img id="seccode"  style="cursor:pointer;" onclick="reloadseccode()" width="' + seccodedata[0] + '" height="' + seccodedata[1] + '" src="getcode.php?t=' + Math.random() + '" class="absmiddle" alt="" />';
}