function start()
{
el1=$('content_top_left2a');
el2=$('content_top_right2a');
el3=$('content2aB');
el4=$('content2aC');
var p=el4.getHeight() + parseInt(el3.style.paddingTop) + parseInt(el3.style.paddingBottom)
var p1=el4.getHeight();
//alert(p1);
//alert(el3.getHeight());
if(p1!=el3.getHeight())
{

//alert(el3.getHeight());
el3.style.height=p1+"px";
//alert(el3.getHeight());
//alert(el4.getHeight());
//alert(el1.getHeight());
//alert(el2.getHeight());
}
if (isNaN(el3)==true)
{
el1.style.height=(p1-420)+"px";
el2.style.height=(p1-420)+"px";	
}
setTimeout("start()", 100);
}