// Matching Columns

matchColumns=function(){ 
	var divs,contDivs,maxHeight,divHeight,d; 
	// get all <div> elements in the document 
	divs=document.getElementsByTagName('div'); 
	contDivs=[]; 
	// initialize maximum height value 
	maxHeight=0; 
	// iterate over all <div> elements in the document 
	for(var i=0;i<divs.length;i++){ 
		// make collection with <div> elements with class attribute 'column' 
		if(/\bcolumn\b/.test(divs[i].className)){ 
			d=divs[i]; 
			contDivs[contDivs.length]=d; 
			// determine height for <div> element 
			if(d.offsetHeight){ 
				divHeight=d.offsetHeight; 					
			} 
			else if(d.style.pixelHeight){ 
				divHeight=d.style.pixelHeight;					 
			} 
			// calculate maximum height 
			maxHeight=Math.max(maxHeight,divHeight); 
		} 
	} 
	// assign maximum height value to all of container <div> elements 
	for(var i=0;i<contDivs.length;i++){ 
		contDivs[i].style.height=maxHeight + "px"; 
	} 
} 
// Runs the script when page loads 
function columnMatching(){
	if(document.getElementsByTagName){
		matchColumns();			 
	}
}