function showRegForm(divid) {
    var div_item = document.getElementById(divid);
    if(div_item) {
	    div_item.style.display='block';
    }
}
function hideAndShowDivs(divForHide, divForShow){
    var HideDivItem = document.getElementById(divForHide);
    var ShowDivItem = document.getElementById(divForShow);
    if(HideDivItem){
	HideDivItem.style.display='none';
    }
    if(ShowDivItem){
	ShowDivItem.style.display='block';
    }
}