function setContentHeight() {
  var myHeight = 0
  if( typeof( window.innerHeight ) == 'number' ) {
	//Non-IE
	myHeight = window.innerHeight;
  } else if( document.documentElement && document.documentElement.clientHeight ) {
	//IE 6+ in 'standards compliant mode'
	myHeight = document.documentElement.clientHeight;
  } else if( document.body && document.body.clientHeight ) {
	//IE 4 compatible
	myHeight = document.body.clientHeight;
  }
	document.getElementById("mastercontent").style.height = myHeight-30+"px";	
}