// Place your application-specific JavaScript functions and classes here
// This file is automatically included by javascript_include_tag :defaults


if (ie_version() == 6) {
	var tree = document.getElementById("tree");
	tree.innerHTML = "<a href=\"/our_work/graphical_calculators_and_modellers\" title=\"Our work: Modellers\"><img alt=\"Our work\" src=\"/images/tree/tree.png?1268417544\" /></a>";
}

function ie_version() {
	if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)) { //test for MSIE x.x;
		var ieversion = new Number(RegExp.$1) // capture x.x portion and store as a number
		return ieversion
	}
	else {
		return 0;
	}	
}