function printPreview()
{
	var i, a, main;
	
	var linkElements = document.getElementsByTagName("link");

	for(i=0; i < linkElements.length; i++)
	{
		a = linkElements[i];

		if(a.getAttribute("media").indexOf("screen") != -1)
		{
			a.disabled = true;
		}
	}

	if (printCSS != null) {
		printCSS.disabled = false;
	}
	
	window.print();
}