matchColumns=function()
{
var divs,contDivs,maxHeight,divHeight,d; 
	divs=document.getElementsByTagName('div'); 
	contDivs=[]; 
	maxHeight=0; 
	for (var i=0;i<divs.length;i++)
	{ 
		if(/\bcolumn\b/.test(divs[i].className))
		{ 
			d=divs[i]; 
			contDivs[contDivs.length]=d; 
			if(d.offsetHeight)
			{ 
				divHeight=d.offsetHeight; 
			} else if(d.style.pixelHeight)
			{ 
				divHeight=d.style.pixelHeight; 
			} 
			
			maxHeight=Math.max(maxHeight,divHeight); 
		}
	} 
	
	for(var i=0;i<contDivs.length;i++)
	{
		contDivs[i].style.height=maxHeight + "px"; 
	}
} 
window.onload=function()
{ 
	if(document.getElementsByTagName)
	{ 
		matchColumns(); 
	}
}