// Store any previous onload functions before overwriting
	var strOldOnLoad = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = _cacheImages;
	} else {
		window.onload = function() {strOldOnLoad();	_cacheImages;}
	}

// preloads the following style items (makes for snappy first time mouseover)
function _cacheImages() {
	if (document.images) {
	  preImage1= new Image(330,59); 
	  preImage1.src="/stylesheets/button-box-hover.gif"; 
	
	  preImage1= new Image(13,11); 
	  preImage1.src="/stylesheets/bullet-house-hover.gif"; 
	}
}