function isIE55Up() {
	//Detect IE5.5+
	version=0
	if (navigator.appVersion.indexOf("MSIE")!=-1){
	 temp=navigator.appVersion.split("MSIE");
	 version=parseFloat(temp[1]);
	}

	if (version>=5.5) //NON IE browser will return 0
	  return true;
	else return false;

}

function getBrowserType() {
 // 0:Other, 1: IE, 2: Netscape, 3:Opera

 if (navigator.appVersion.indexOf("MSIE")!=-1) return 1;
 else if (navigator.appName=="Netscape") return 2;
 else if ((navigator.userAgent.indexOf("Opera 6")!=-1) ||(navigator.userAgent.indexOf("Opera/6")!=-1)) return 3;
 else return 0;
}


function getIEVersion() {
	//Detect IE
	version=0
	if (navigator.appVersion.indexOf("MSIE")!=-1){
	 temp=navigator.appVersion.split("MSIE");
	 version=parseFloat(temp[1]);
	}
 	return version;  //NON IE browser will return 0 
}