var winReference = null;

function openPositionedWindow(url, name, width, height, x, y, status, scrollbars, moreProperties, openerName) {
	var agent = navigator.userAgent.toLowerCase();
	if (agent.indexOf("mac")!=-1 && agent.indexOf("msie") != -1 && agent.indexOf("msie 5.0")==-1) {
		height += 2;
		if (status) height += 15;
	}

	width += (scrollbars != '' && scrollbars != null && agent.indexOf("mac") == -1) ? 16 : 0;        
        if (!moreProperties || moreProperties == ''){ moreProperties = 'toolbar=1, status=1, resizable=1'; }
	var properties = 'width=' + width + ',height=' + height +  ((status) ? ',status' : '') + ',scrollbars' + ((scrollbars) ? '' : '=no') + ((moreProperties) ? ',' + moreProperties : '');
	var reference = openWindow(url, name, properties, openerName);
	return reference;
}

function pop_print(url, width, height, name, scrollbars, status, moreProperties, openerName) {
	var x = 0;
	var y = 0;
	if (screen) x = (screen.availWidth - width) / 2;
	if (screen) y = (screen.availHeight - height) / 2;
	if (!status) status == '';
	if (!openerName) openerName == '';	
	var reference = openPositionedWindow(url, name, width, height, x, y, status, scrollbars, moreProperties, openerName);
}	

function openWindow(url, name, properties, openerName) {
	var agent = navigator.userAgent.toLowerCase();
	if (agent.indexOf("msie") != -1 && parseInt(navigator.appVersion) == 4 && agent.indexOf("msie 5") == -1 && agent.indexOf("msie5") == -1 && agent.indexOf("win") != -1) {
		winReference = window.open('about:blank', name, properties);
		
		setTimeout('if (winReference && !winReference.closed) winReference.location.replace("' + url + '")', 300);
	}
	else {
		winReference = window.open(url, name, properties);
	}

	setTimeout('if (winReference && !winReference.closed) winReference.focus()', 200);
	
	if (openerName) self.name = openerName;
	return winReference;
}