// Used to obtain the screen size...
function getScreenSize() {
	var x=0;
	var y=0;
	var coords = new Object();
	x=screen.width ? screen.width : screen.availWidth;
	y=screen.height ? screen.height : screen.availHeight;
	coords.x=x;
	coords.y=y;
	return(coords);
}
screenSize = getScreenSize();

//	Shows/hides the 'allow third parties' checkbox depending on whether the 'join mailing list' checkbox is ticked...
function toggleThirdParty(status, prefix){
	if(status) document.getElementById("thirdparties").className="";
	else {
		// User has de-selected the join mailing list checkbox...
		document.getElementById("thirdparties").className="hidden";
		document.getElementById(prefix+"_thirdparties").checked=false;
	}	
	
	return(true);
}