/* AUTHOR: PaRKeR [tNO '99] */
/* CREATION DATE: 6/21/00 */

function Is() {
		 var agent = 
navigator.userAgent.toLowerCase();
		 this.major = 
parseInt(navigator.appVersion);
		 this.minor = 
parseFloat(navigator.appVersion);
		 this.ns = 
((agent.indexOf('mozilla')!=-1) &&
	((agent.indexOf('spoofer')==-1) &&
	(agent.indexOf('compatible')==-1)));
		this.ns2 = (this.ns && 
(this.major == 2));
		this.ns3 = (this.ns && 
(this.major == 3));
		this.ns4 = (this.ns && 
(this.major >= 4));
		this.ie = 
(agent.indexOf('msie')!= -1);
		this.ie3 = (this.ie && 
(this.major == 2));
		this.ie4 = (this.ie && 
(this.major >= 4));
		this.op3 = 
(agent.indexOf("opera") != -1);
}

var is = new Is()

if(is.ns4) {
		   doc = "document";
		   sty = "";
		   htm = ".document"
} else if(is.ie4) {
  	   	   doc = "document.all";
		   sty = ".style";
		   htm = ""
}