function startComparison(idArray) {
	//var url = '/Resources_and_Information/deviceComparison.xhtml?dev=[';
	var url = '/Tools_Docs_and_Code/deviceComparison.xhtml?dev=[';
	for (var i=0; i<idArray.length; i++) {
		url += idArray[i];
		if (i + 1 < idArray.length) {
			url += ',';
		}
	}
	url += ']';
    var width  = 900;
    var height = 600;
    var left   = (screen.width  - width)/2;
    var top    = (screen.height - height)/2;
    var params = 'width='+width+', height='+height;
    params += ', top='+top+', left='+left;
    params += ', directories=no';
    params += ', location=no';
    params += ', menubar=no';
    params += ', resizable=yes';
    params += ', scrollbars=yes';
    params += ', status=no';
    params += ', toolbar=no';
    var comparisonWindow =  window.open(encodeURI(url), 'showcomparison', params);
	if (window.focus) {
        comparisonWindow.focus()
    }

}