// JavaScript Document

var timeout         = 300;
var closetimer		= 0;
var ddmenuitem      = 0;


function validateEmailForm(objFrm)
{
		var strMsg="";
		var _flag=true;
	
		if(objFrm.txtfullName.value=="")
		{
			strMsg=" Name is required.\n"
			_flag= false;
		}
		if(objFrm.txtCompany.value=="")
		{
			strMsg+=" Company Name is required.\n"
			_flag= false;
		}
			
		if(objFrm.txtEmailAdd.value.indexOf("@") == "-1" || objFrm.txtEmailAdd.value.indexOf(".") == "-1") 
			{
			strMsg+=" Invalid Email Id.\n";
			_flag= false;
			}
		
		if(objFrm.txtComments.value=="")
		{
			strMsg+=" Comments is required.\n"
			_flag= false;
		}
		if (_flag==false)
	alert(strMsg);
	return _flag;
		
}


// open hidden layer
function mopen(id)
{	
	// cancel close timer
mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}