// css browser fixes
function crossbrowser()
{
	// don't display skip buttons
	var j;
	
	var elements = document.getElementsBySelector('.skip');
	for (j = 0; j < elements.length; j++) {
          elements[j].style.display = "none";
    }	
	
	// delete drop down navigation in IE Mac
	if (navigator.appVersion.indexOf("Mac") != -1 ) {
		var elements2 = document.getElementsBySelector('.subnavigation');
		for (j = 0; j < elements2.length; j++) {
   	       elements2[j].removeNode(true);
   		 }		
	}
}