function seth() {
	var d=$('midcol'); 
	tabHeight = 409;
	if(d.offsetHeight){ 
		divHeight=d.offsetHeight; 
	} else if(d.style.pixelHeight){ 
		divHeight=d.style.pixelHeight; 
	} 
	if (divHeight<tabHeight) {
		d.style.height = tabHeight+'px';
	}
//	alert (divHeight);
};
window.onload=seth();