var isIE= false;

function isMinIE6()
{
	var sUserAgent= navigator.userAgent;
	var isMinIE6= false;
	isIE= sUserAgent.indexOf("compatible") > -1 && sUserAgent.indexOf("MSIE") > -1 && sUserAgent.indexOf("Opera") == -1;
	if (isIE)
	{
		var reIE= new RegExp("MSIE (\\d+\\.\\d+)");
		reIE.test(sUserAgent);
		var fIEVersion= parseFloat(RegExp["$1"]);
		isMinIE6= fIEVersion >= 6.0;
	}
	return isMinIE6;
}

function isMin1024x768()
{
	return (screen.availHeight >= 738 && screen.availWidth >= 1024);
}

function hasQuicktime()
{
	if (isIE)
	{
		return detectActiveXPlugin("Quicktime.Quicktime");
	}
	else
	{
		return hasPluginForMimeType("video/quicktime");
	}
}

function hasPDFReader()
{
	if (isIE)
	{
		return detectActiveXPlugin("AcroPDF.PDF");
	}
	else
	{
		return hasPluginForMimeType("application/pdf");
	}
}

function hasPluginForMimeType(sMimeType)
{
	if (navigator.mimeTypes[sMimeType] != undefined)
	{
		return navigator.mimeTypes[sMimeType].enabledPlugin != null;
	}
	else
	{
		return false;	
	}
}

function detectActiveXPlugin(sPlugin)
{
	try
	{
		new ActiveXObject(sPlugin);
		return true;
	}
	catch (oError)
	{
		return false;
	}
}