/* Useful window utility class */

windowUtil = new Object();

//// HTML example
// <a href="http://www.sourcesnippets.com" title="Free source snippets" onclick="return openWindow(this, {width:790,height:450,center:true})">click this link</a>

windowUtil.openPopupWindow = function(anchor, options) 
{
		var args = '';
	 
		if (typeof(options) == 'undefined') { var options = new Object(); }
		if (typeof(options.name) == 'undefined') { options.name = 'win' + Math.round(Math.random()*100000); }
	 
		if (typeof(options.height) != 'undefined' && typeof(options.fullscreen) == 'undefined') 
		{
			args += "height=" + options.height + ",";
		}
	 
		if (typeof(options.width) != 'undefined' && typeof(options.fullscreen) == 'undefined') 
		{
			args += "width=" + options.width + ",";
		}
	 
		if (typeof(options.fullscreen) != 'undefined') 
		{
			args += "width=" + screen.availWidth + ",";
			args += "height=" + screen.availHeight + ",";
		}
	 
		if (typeof(options.center) == 'undefined') 
		{
			options.x = 0;
			options.y = 0;
			args += "screenx=" + options.x + ",";
			args += "screeny=" + options.y + ",";
			args += "left=" + options.x + ",";
			args += "top=" + options.y + ",";
		}
	 
		if (typeof(options.center) != 'undefined' && typeof(options.fullscreen) == 'undefined') 
		{
			options.y=Math.floor((screen.availHeight-(options.height || screen.height))/2)-(screen.height-screen.availHeight);
			options.x=Math.floor((screen.availWidth-(options.width || screen.width))/2)-(screen.width-screen.availWidth);
			args += "screenx=" + options.x + ",";
			args += "screeny=" + options.y + ",";
			args += "left=" + options.x + ",";
			args += "top=" + options.y + ",";
		}
	 
		if (typeof(options.scrollbars) != 'undefined') { args += "scrollbars=1,"; }
		if (typeof(options.menubar) != 'undefined') { args += "menubar=1,"; }
		if (typeof(options.locationbar) != 'undefined') { args += "location=1,"; }
		if (typeof(options.resizable) != 'undefined') { args += "resizable=1,"; }
	 
		var win = window.open(anchor, options.name, args);
		return false;
}