function getClientHeight()
{
  return document.compatMode=='CSS1Compat' && !window.opera?document.documentElement.clientHeight:document.body.clientHeight;
}

function HeightCheck(){
 if(getClientHeight() > 770)
  {if((getClientHeight() - 770) >= 150)
  			{document.getElementById('workspace').style.height=872+'px';
			document.getElementById('buttons').style.marginBottom=85+'px';
			document.getElementById('table').style.height=815+'px';
			document.getElementById('main').style.backgroundPosition = '0px 0px';}
  		else{document.getElementById('workspace').style.height=722+(getClientHeight() - 770)+'px';
			document.getElementById('buttons').style.marginBottom=10+(getClientHeight() - 770)/2+'px';
			document.getElementById('table').style.height=665+(getClientHeight() - 770)+'px';
			document.getElementById('main').style.backgroundPosition = '0px '+((getClientHeight() - 770)/2-60)+'px';}
  document.getElementById('workspace').style.marginTop=(getClientHeight()-(document.getElementById('workspace').clientHeight+18))/2+'px'; 
  }
 else {document.getElementById('workspace').style.height=722+'px';
 	document.getElementById('table').style.height=665+'px';
  document.getElementById('workspace').style.marginTop=15+'px';
  document.getElementById('buttons').style.marginBottom=10+'px';
  document.getElementById('main').style.backgroundPosition = '0px -60px';
 }
 //alert(document.getElementById('main').style.backgroundPosition);
}