isClicked = false;

function show(target) {
		if (!isClicked) {
			target = document.getElementById(target);
			target.style.display = 'block';
		}
}

function hide(target) {
		if (!isClicked) {
			target = document.getElementById(target);
			target.style.display = 'none';
		}
}

function togglePermanent(target) {
		if (isClicked) {
				hide(target);
		} else { show(target); }
		isClicked = !isClicked;
}

function launchwindow(id) {
		window.open ("popup.php?id="+id,"popup",
		"screenX=50,screenY=50,width=1040,height=400,location=0,menubar=0,resizable=yes,scrollbars=yes,status=0,titlebar=1,toolbar=0")
}

function launchwindowref(target) {
		window.open (target,"popup",
		"screenX=50,screenY=50,width=700,height=600,location=0,menubar=0,resizable=yes,scrollbars=yes,status=0,titlebar=1,toolbar=0")
}

function launchwindowdeskshow() {
		window.open ("images/deskshowsmall/deskshow.php", "deskshow",
		"screenX=50,screenY=50,width=600,height=410,location=0,menubar=0,resizable=yes,scrollbars=yes,status=0,titlebar=1,toolbar=0")
}

function launchwindowflash(id) {
		window.open ("popflash.php?id="+id, "flash",
		"screenX=50,screenY=50,width=750,height=530,location=0,menubar=0,resizable=yes,scrollbars=yes,status=0,titlebar=1,toolbar=0")
}

function launchwindowtext(id) {
		window.open ("poptext.php?id="+id, "text",
		"screenX=50,screenY=50,width=550,height=500,location=0,menubar=0,resizable=yes,scrollbars=yes,status=0,titlebar=1,toolbar=0")
}

function launchbandb(id) {
		window.open ("popbb.php?id="+id, "text",
		"screenX=50,screenY=50,width=800,height=500,location=0,menubar=0,resizable=yes,scrollbars=yes,status=0,titlebar=1,toolbar=0")
}

function launchwindowmovie(id) {
		window.open ("automation.php", "automation_repeat",
		"screenX=50,screenY=50,width=400,height=300,location=0,menubar=0,resizable=no,scrollbars=no,status=0,titlebar=0,toolbar=0")
}

window.elements = new Array('eco_chair', 'computer_skills', 'wetboard', 'golf_bag', 'chair_stools', 'wakelight', 'desk', 'flash', 'gms', 'zo', 'cab', 'dostuff', 'cias', 'kath', 'bed', 'bocaflipper', 'sudokudisp', 'door', 'photobox', 'web', 'scripting', 'indesign', 'ca_movie' );

function init() {
	collapseAll();
	cat = getQueryVariable('cat');
	if (cat == null){
		cat = "eco_chair";
	}
	expand(cat);
}

function expandCollapse(targetEl, action) {
	targetEl = document.getElementById(targetEl);
	
	displayStates = new Array('none', 'block');
	if (action != null) {
		targetEl.style.display = displayStates[action];
	} else {
		currentState = targetEl.style.display;
		if (currentState == 'block') {
			targetEl.style.display = 'none';
		} else if (currentState == 'none') {
			targetEl.style.display = 'block';
		}
	}
}

function expand(target) {
	expandCollapse(target);
	return false;
}	

function collapseAll() {
	for (i = 0; i < window.elements.length; i++) {
		expandCollapse(window.elements[i], 0);
	}
}

function getQueryVariable(variable) {
  var query = window.location.search.substring(1);
  var vars = query.split("&");
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    if (pair[0] == variable) {
      return pair[1];
    }
  } 
}