// coolk menu toggle
function toggle(targetId){
	if (document.getElementById){
		target = document.getElementById(targetId);
//		target2 = document.getElementById(id)
		if (target.style.display == "none"){
			target.style.display = "";
		}else{
			target.style.display = "none";
		}
	}
}
function hide(targetId,id){
	if (document.getElementById){
		target = document.getElementById(targetId);
		target2 = document.getElementById(id)
		target.style.display = "none";
	}
}
function show(targetId,id){
	if (document.getElementById){
		target = document.getElementById(targetId);
		target2 = document.getElementById(id)
		target.style.display = "";
	}
}

// coolk image flicker
var backColor = new Array();
    backColor[0] = 'images/Office-Exterior.jpg';
    backColor[1] = 'images/Office-Exterior-close.jpg';
    backColor[2] = 'images/conference-table.jpg';
	backColor[3] = 'images/Desk-close.jpg';
    backColor[4] = 'images/Interior-Length-reverse.jpg';
    backColor[5] = 'images/Office-interior-length.jpg';

function changeBG(whichColor){
  document.imgflicker.src = backColor[whichColor];
}