var topRow = 446;
var topB = 300;

function getH(){ 
if (document.getElementById) { cell = document.getElementById('Ctable'); }
else if (document.all) { cell = document.all['Ctable']; }
return cell.offsetHeight;
}

function changeH(){ return (getH()-topRow); }

function checkH(){
if (document.getElementById) { cell2 = document.getElementById('Ctable'); }
else if (document.all) { cell2 = document.all['Ctable']; }
return cell2.offsetHeight+topB;
}

function setH(){ 
if (document.getElementById) { cell = document.getElementById('BottomBg'); }
else if (document.all) { cell = document.all['BottomBg']; }

if(checkH()>=screen.height){
		if (cell) {
		 return cell.style.height=changeH()+'px';
		}
	}else  return false;
}
function setW(id){ 
if (document.getElementById) { t = document.getElementById(id); }
else if (document.all) { t = document.all[id]; }
 
if(screen.width<1000){
		if (t) {
		 return t.style.width=1000+'px';
		}
	} else return false;
}