function matching_columns()
	{
		var height1=document.getElementById('prodLeft').offsetHeight;
		var height2=document.getElementById('prodRight').offsetHeight;

		if (height1 > height2) {
			document.getElementById('prodRight').style.height=height1+'px';
		} else {
			document.getElementById('prodLeft').style.height=height2+'px';
		}
	}