var browser_name	=	navigator.appName;
var browser_version	=	navigator.appVersion;
if(browser_name == 'Microsoft Internet Explorer'){
	browser_name = 'IE';
	browser_version = browser_version.substr(browser_version.indexOf("MSIE ")+5,3);
}
//alert("browser_name="+browser_name+"browser_version="+browser_version);

function getAttr(ele, attr){
	if(attr == "class" && browser_name == 'IE' && (browser_version == '7.0' || browser_version == '6.0')){attr = "className";}
	return ele.getAttribute(attr);
}

function get_attr_class(){
	var attr = "class";
	if(browser_name == 'IE' && (browser_version == '7.0' || browser_version == '6.0')){attr = "className";}
	return attr;	
}

function getFullOffsetLeft(el){
	var cur = el;
	var res = cur.offsetLeft;
	while(cur.tagName!="BODY"){
	cur = cur.offsetParent;
	res += cur.offsetLeft;
	};
	return res;
};

function getFullOffsetTop(el){
	var cur = el;
	var res = cur.offsetTop;
	while(cur.tagName!="BODY"){
	cur = cur.offsetParent;
	res += cur.offsetTop;
	};
	return res;
};