var browsername = navigator.appName;
var browserversion = navigator.appVersion;
var frameheight = 0;

if ( browsername.indexOf ( "Internet Explorer" ) != -1 )
{
	frameheight = document.body.clientHeight;
} else {
	frameheight = self.innerHeight;
}
//frameheight =  Math.round(frameheight-38);
frameheight =  Math.round(frameheight-170);
if ( frameheight < 20 )
	frameheight = 20;

document.write('<div id="indexContent" style="height:' + frameheight + '; ">');