var x,y,z;
var bd_ht = document.body.scrollHeight;
var bd_wd = document.body.offsetHeight

function findPosY(obj)
{
var curtop = 0;
if(obj.offsetParent)
while(1)
{
curtop += obj.offsetTop;
if(!obj.offsetParent)
break;
obj = obj.offsetParent;
}
else if(obj.y)
curtop += obj.y;
return curtop;
}

pos = findPosY(document.getElementById('rft-table') );


if (bd_ht > bd_wd) // all but Explorer Mac
{
x = document.body.scrollWidth;
y = document.body.scrollHeight;

}
else // Explorer Mac;
//would also work in Explorer 6 Strict, Mozilla and Safari
{
x = document.body.scrollWidth;
y = document.body.scrollHeight;

}

if(screen.width == 800)
{
y = y - pos;


}
if(screen.width == 1024)
{
y = y - pos;


}
if(screen.width == 1280)
{
y = y - pos;



}

if (bd_ht > bd_wd) // all but Explorer Mac
{
x = document.body.scrollWidth;
y = document.body.scrollHeight;



}
else // Explorer Mac;
//would also work in Explorer 6 Strict, Mozilla and Safari
{
x = document.body.scrollWidth;
y = document.body.scrollHeight;


}

if(screen.width == 800)
{
y = y - pos;


}
if(screen.width == 1024)
{
y = y - pos;


}
if(screen.width == 1280)
{
y = y - pos;



}

if (document.getElementById('rft-table'))
{
document.getElementById('rft-table').style.height = y + "px";
}