var InNav;InNav = false;
var InTrigger;InTrigger = false;
browsername=navigator.appName;

var pg1;
var pg2;
var pg3;
var pg4;

if (browsername.indexOf("Netscape")!=-1) {
	nsFlag=true;
	ieFlag=false;
	netscapeversion=navigator.appVersion.substring(0,1);
} else {
	ieFlag=true;
	nsFlag=false;
};

function showPGObject(obj) {
	if(ieFlag==true){
		eval(obj+".style.visibility = \"visible\"");
	}else if(nsFlag==true){
		if(netscapeversion==4){
			eval("document."+obj+".visibility = \"show\"");
		}else if(netscapeversion==5){
			var gobj = document.getElementById(obj);
			gobj.style.visibility = "visible";
		}
	}
}

function hidePGObject(obj) {
	if(ieFlag==true){
		eval(obj+".style.visibility = \"hidden\"");
	}else if(nsFlag==true){
		if(netscapeversion==4){
			eval("document."+obj+".visibility = \"hide\"");
		}else if(netscapeversion==5){
			var gobj = document.getElementById(obj);
			gobj.style.visibility = "hidden";
		}
	}
}

function changePGImages(str1, str2) {
	if (document.images) {
    for (var i=0; i<changePGImages.arguments.length; i+=2) {
        document[changePGImages.arguments[i]].src = changePGImages.arguments[i+1];
    }
	}
}