function ReadCss(num){
	var dir;
	if(num==0){
		dir = "";
	}else if(num==1){
		dir = "../";
	}else if(num==2){
		dir = "../../";
	}else if(num==3){
		dir = "../../../";
	}else if(num==4){
		dir = "../../../../";
	}else if(num==5){
		dir = "../../../../../";
	}else if(num==6){
		dir = "../../../../../../";
	}

	var fName;
	if(navigator.userAgent.indexOf("Mac")!=-1){
		if(navigator.userAgent.indexOf("Gecko")!=-1){
			fName = "shared/stylesheets/barbet_mnc.css";
		} else if(navigator.appName=="Netscape"){
			fName = "shared/stylesheets/barbet_mns.css";
		} else {
			fName = "shared/stylesheets/barbet_mie.css";
		}
	} else {
		
		if(navigator.userAgent.indexOf("Gecko")!=-1){
			fName = "shared/stylesheets/barbet_wnc.css";
		} else if(navigator.appName=="Netscape"){
			fName = "shared/stylesheets/barbet_wns.css";
		} else {
			fName = "shared/stylesheets/barbet_wie.css";
		}
	}
	
	document.write('<link rel="stylesheet" href="' + dir + fName + '" type="text/css">');
	document.write('<link rel="stylesheet" href="' + dir + 'shared/stylesheets/common.css" type="text/css">');
}