function showImage(divid) {
	hideall("image");
	if (document.layers) document.layers[''+divid+''].display = "block"
	else if (document.all) document.all[''+divid+''].style.display = "block"
	else if (document.getElementById) document.getElementById(''+divid+'').style.display = "block"
}

function hideall(clsName){
	var arr = new Array(); 
	var elems = document.getElementsByTagName("*");
	for ( var cls, i = 0; ( elem = elems[i] ); i++ )
	{
		if ( elem.className == clsName )
		{
			elem.style.display = "none";
		}
	}
}