function toggleSearch() {
	switchDisplay(getElement("mainSearch"))
	switchDisplay(getElement("searchconfirmation"))
	if (getElement("mainSearch").style.display=='none') {
		imageSwap('searchbutton',aImages['search_again_on'])
	}
	else {
		imageSwap('searchbutton',aImages['search_hide_on'])
	}
	return false;
}

function toggleRetrieveSearch() {
	switchDisplay(getElement("mainSearch"))
	switchDisplay(getElement("searchconfirmation"))
	if (getElement("mainSearch").style.display=='none') {
		imageSwap('searchbutton',aImages['search_again_on'])
	}
	else {
		imageSwap('searchbutton',aImages['search_hide_on'])
	}
	return false;
}


function switchDisplay(el){
	if(el!=null){ 
		if(el.style.display=="block" || el.style.display=="inline" || el.style.display==""){
			el.style.display='none'
		} else {
			el.style.display='block'
		}
	}
}

function setDisplay(el,value){
	if(el!=null){
		el.style.display=value
	}
}

function getElement(id){
	if(document.all){
		el = document.all(id)
	} else if(document.getElementById){
		el = document.getElementById(id)
	} else {
		el = null
	}
	return el
}