var slide = document.getElementById("theSlide");
var lefty = 0;
var inc = 40;
var timer = "";

function doLeft() {
	if (timer == "") {
		goLeft(0);
	}
}

function doRight() {
	if (timer == "") {
		goRight(0);
	}
}

function goLeft(blah) {
	if ((slideWide + lefty - 560) > 0) {
		lefty -= inc;
		slide.style.left = lefty + "px";
		blah += inc;
		if (blah < 560) {
			timer = setTimeout("goLeft(" + blah + ")",5);
		} else {
			timer = "";
		}
	}
}

function goRight(blah) {
	if (lefty < 0) {
		lefty += inc;
		slide.style.left = lefty + "px";
		blah += inc;
		if (blah < 560) {
			timer = setTimeout("goRight(" + blah + ")",5);
		} else {
		timer = "";
		}
	}
}

function macLeft() {
	if ( macWeek > 0 ) {
		macWeek--;
		document.getElementById("myframe").src = "mac_week.php?w=" + macWeek;
	}
}

function macRight() {
	if (macWeek < macMaxWeeks ) {
		macWeek++;
		document.getElementById("myframe").src = "mac_week.php?w=" + macWeek;
	}
}