var bV=parseInt(navigator.appVersion);
NS4=(document.layers) ? true : false;
IE4=((document.all)&&(bV>=4))?true:false;
ver2 = (bV<=2) ? true : false;
ver4 = (NS4 || IE4) ? true : false;

//load the button mouseovers
var mimage=new Array();
mimage['instructions']= new objectdata(232,16,"images/instructions-on.gif","images/instructions.gif","Instructions to Authors");
mimage['programs']= new objectdata(219,16,"images/programs-on.gif","images/programs.gif","Programs and Presentations");
mimage['participation']= new objectdata(233,16,"images/participation-on.gif","images/participation.gif","Participation");
mimage['registration']= new objectdata(101,16,"images/registration-on.gif","images/registration.gif","Registration");
mimage['venue']= new objectdata(101,16,"images/venue-on.gif","images/venue.gif","Venue");
mimage['accommodations']= new objectdata(101,16,"images/accommodations-on.gif","images/accommodations.gif","Accommodations");
mimage['topimg']= new objectdata(20,20,"images/top.gif","images/top-off.gif","Return to top of page");

//mouseovers
function objectdata(hsize,vsize,replaceimg,restoreimg,mess) {
if(ver4) {
	this.mess=mess;
	this.simg=new Image(hsize,vsize);
	this.simg.src=replaceimg;
	this.rimg=new Image(hsize,vsize);
	this.rimg.src=restoreimg;
	}
}
function ReplaceOrig(name) {
if(ver4) {
	window.status=mimage[name].mess;
	document[name].src=mimage[name].simg.src;
	}
}
function RestoreOrig(name) {
if(ver4) {
	window.status="";
	document[name].src=mimage[name].rimg.src;
	}
}



function setVariables() {
if (navigator.appName == "Netscape") {
v=".top=";
dS="document.";
sD="";
y="window.pageYOffset";
}
else {
v=".pixelTop=";
dS="";
sD=".style";
y="document.body.scrollTop";
   }
}
function checkLocation() {
object="menu";
yy=eval(y);
eval(dS+object+sD+v+yy);
setTimeout("checkLocation()",10);
}


function CC_noErrors() {
return true;
}

window.onerror = CC_noErrors;