// Set min-height or height (for ie6) of left nav to total height of mainbody content 

$(window).load(function(){
	if (document.getElementById('layout-column-left')) {		
	// remove default height and padding from CSS which is there in case JavaScript is disabled
			document.getElementById('layout-column-left').style.height = 'auto'
			document.getElementById('layout-column-left').style.paddingBottom = '0px'
			
			var maindivheight = document.getElementById('layout-column-main').offsetHeight
			
			if (document.getElementById('banner')){
						var bannerheight = document.getElementById('banner').offsetHeight
			}
			else {
						var bannerheight = 0;
			}
			
			if (document.getElementById('pagetitlearea')){
						var titleheight = document.getElementById('pagetitlearea').offsetHeight
			}
			else {
						var titleheight = 0;
			}
	
	var totalheight = maindivheight + bannerheight + titleheight	

	// Make sure total height is at least 400px so footer doesn't go up and down from page to page
	
	if (totalheight < 400){
	totalheight = 400
	}
				
			// Set height or min-height of left nav item depending on if it's IE6
	
			if ($.browser.msie && $.browser.version == 6.0) {
						document.getElementById('layout-column-left').style.height = totalheight + 'px'
		  }
			else {
						document.getElementById('layout-column-left').style.minHeight = totalheight + 'px'
			}
	}
});