document.getElementsByCName = function(class_name) {
    var docList = this.all || this.getElementsByTagName('*');
    var matchArray = new Array();

    var re = new RegExp("(?:^|\\s)"+class_name+"(?:\\s|$)");
    for (var i = 0; i < docList.length; i++) {
        if (re.test(docList[i].className) ) {
            matchArray[matchArray.length] = docList[i];
        }
    }

	return matchArray;
}
function showTab(shID) {

/       elements = document.getElementsByCName('container_tabbed_pane');	
/	var length = elements.length;
/	for(var i=0; i < length; i++){
/		current = elements[i];
/		current.style.display = 'none';
/	}
/    if (document.getElementById(shID)) {
/            document.getElementById(shID).style.display = 'inline';
/    }
}
function closeTab(clID){
    if (document.getElementById(clID)) {
            document.getElementById(clID).style.display = 'none';
    }
}