var sliding = false;
var pos;
var webend = 678;
var medend = 122;

function slideinit(but) {
	pos = document.getElementById("web").offsetWidth;
	
	if (but == 'web' && !sliding && pos != webend) {
		sliding = true;
		document.getElementById("mednav").style.display = "none";
		openclose(webend, 5);
	} else if (but == 'med' && !sliding && pos != medend) {
		sliding = true;
		document.getElementById("webnav").style.display = "none";
		openclose(medend, 5);
	} else if (but == 'web' && pos == webend) {
		window.location.href = "front_content.php?idcat=9";
	} else if (but == 'med' && pos == medend) {
		window.location.href = "front_content.php?idcat=6";
	}
}

function openclose(end, step) {
	step += 7;
	if (pos <= (webend-step) && pos < end) {
		pos += step;
		setTimeout("openclose("+end+","+step+")", 70);
	} else if (pos >= (medend+step) && pos > end) {
		pos -= step;
		setTimeout("openclose("+end+","+step+")", 70);
	} else {
		pos = end;
		sliding = false;
		if (end == webend) {
			document.getElementById("webnav").style.display = "inline";
			window.location.href = "front_content.php?idcat=9";
		} else if (end == medend) {
			document.getElementById("mednav").style.display = "inline";
			window.location.href = "front_content.php?idcat=6";
		}
	}
	document.getElementById('web').style.width = pos+"px";
	document.getElementById('med').style.width = (800-pos)+"px";
}