function matchHeight()
{
	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;
				}
				else
				{
					divHeight=0;
				}
			}
			// calculate maximum height
			maxHeight=Math.max(maxHeight,divHeight);
		}
	}
	/*if(!document.getElementById('carousel'))*/
	{
		maxHeight=maxHeight-140;
	}
	// assign maximum height value to all of container <div> elements
	for(var i=0;i<contDivs.length;i++)
	{
		if(contDivs[i].id=="left")
		{
			contDivs[i].style.height=(maxHeight+140)+'px';
		}
		else
		{
			contDivs[i].style.height=maxHeight+'px';
		}
	}
}

function externalLinks() {
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for (var i=0; i<anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href") &&
		anchor.getAttribute("rel") == "external")
		anchor.target = "_blank";
	}
}

window.onload=function()
{
	externalLinks();
	//matchHeight();
}