function showddmenu(idm){
	document.getElementById('ddmenu'+idm).className='ddmenua';
	var wdth = Math.floor(document.getElementById('ddmenu'+idm).offsetWidth/3);
	document.getElementById('ddmenu'+idm).style.margin='0px 0px 0px -'+wdth+'px';
	document.getElementById('mitem'+idm).className=document.getElementById('mitem'+idm).className+'a';
	}
	
	function hideddmenu(idm){
	document.getElementById('ddmenu'+idm).className='ddmenu';
	document.getElementById('mitem'+idm).className=document.getElementById('mitem'+idm).className.substring(0, document.getElementById('mitem'+idm).className.length-1)
	}	


    function showform(){
		var elm = document.getElementById("forma");
		if(elm)
		{
			if(elm.style.display == "none")
			{
				elm.style.visibility = "block";
			}
			else
			{
				elm.style.visibility = "none";
			}	
			
		};         
}