var windowStep = 13;
var windowTimeout = 15;

var windowLeft = 150;
var windowRight = 150;
var windowWidth = 300;
var window_pos = 0;
var pos_step = 4;

function windowOpen()
{
	if (windowLeft > 0)
	{
		windowRight += windowStep; 
		windowLeft -= windowStep;
		
		var rect = 'rect(auto, '+ windowRight +'px, auto, '+ windowLeft +'px)';
		
		window_pos += pos_step;
		
		document.getElementById("dialogWindow").style.clip = rect;
		document.getElementById("dialogWindow").style.left = window_pos+"%";
			
		setTimeout(windowOpen, windowTimeout);
	}
}



function windowClose()
{
	if (windowLeft<windowRight)
	{
		windowRight -= windowStep;
		windowLeft += windowStep;

		var rect = 'rect(auto, '+ windowRight +'px, auto, '+ windowLeft +'px)';
		window_pos -= pos_step;
		document.getElementById("dialogWindow").style.clip = rect;
		document.getElementById("dialogWindow").style.left = window_pos+"%";
		
		setTimeout(windowClose, windowTimeout);
	}
}