/*
How it works: just apply the CSS class of 'column' to your pages' main columns.
*/
matchColumns=function(sOption){
	if(document.getElementsByTagName){
		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 'container'
			if(/\bt_left\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);
			}
		}
		// RS 21/09/07. maxHeight is less than "screen height" (total height of current
		// desktop resolution) then set the maxHeight to the screen height. This prevents
		// situations where the ad column doesn't extend down to the bottom of the visible
		// screen.
		/*
		if (maxHeight < screen.height) {
		maxHeight = screen.height;
		}
		*/

		/*Was 530*/
		if (maxHeight < 580) {
			maxHeight = 580;
		}

		/*alert('screen.height: ' + screen.height);
		alert('document.body.clientHeight: ' + document.body.clientHeight);
		alert('document.body.scrollHeight: ' + document.body.scrollHeight);*/
		//alert('maxHeight: ' + maxHeight);

		// assign maximum height value to all of container <div> elements

		if (sOption == 'set') {
			//alert('Set');
			for(var i=0;i<contDivs.length;i++){
				contDivs[i].style.height=maxHeight + "px";
				
			}
		}
		else {
			//alert('Clear');
			for(var i=0;i<contDivs.length;i++){
				contDivs[i].style.height="";
			}
		}
	}
}