function setHeight(main, left, right)
{
	var first = document.getElementById(main);
	var second = document.getElementById(left);
	var third= document.getElementById(right);

	first.style.height = 'auto';
	second.style.height = 'auto';
	third.style.height = 'auto';
	var x = first.offsetHeight;
	var y = second.offsetHeight;
	var z = third.offsetHeight;
	if(y < z)
	{
		second.style.height = z + "px";
		first.style.height= z + "px";
		//first.style.height  = x + "px";
	}
	else
	{
		first.style.height = y + "px";
		third.style.height = y + "px";
		//second.style.height = y + "px";
	}
}