function getBrowser()
{
	var agt=navigator.userAgent.toLowerCase();
	var v_maj=parseInt(navigator.appVersion);
	var v_min=parseFloat(navigator.appVersion);
	is_nav=((agt.indexOf('mozilla')!=-1)&&(agt.indexOf('spoofer')==-1)&&
			(agt.indexOf('compatible')==-1)&&(agt.indexOf('opera')==-1)&&
			(agt.indexOf('webtv')==-1));
	is_nav4up=(is_nav&&(v_maj>=4));
	is_ie=(agt.indexOf("msie")!=-1);
	is_ie4up=(is_ie&&(v_maj>=4));
}

function isSVGPluginInstalled()
{
	return (navigator.mimeTypes["image/svg"]&&navigator.mimeTypes["image/svg"].enabledPlugin!=null)||
       (navigator.mimeTypes["image/svg-xml"]&&navigator.mimeTypes["image/svg-xml"].enabledPlugin!=null);
}

function checkSVG()
{
	getBrowser();
	window.svgInstalled = false;
	if( is_nav4up )
	{
		window.svgInstalled=isSVGPluginInstalled();
	} else if( is_ie4up )
	{
		window.svgInstalled=isSVGControlInstalled();
		//alert("got: "+isSVGControlInstalled() );
		//window.svgInstalled = false;
	}
}
function isSVG()
{
	return window.svgInstalled;
}