function toggleBox(szDivID, iState)
{
	if (document.layers)
	{
		document.layers[szDivID].visibility = iState ? "show" : "hide";
	}

	else if (document.getElementById)
	{
		var obj = document.getElementById(szDivID);
        obj.style.visibility = iState ? "visible" : "hidden";
    }

    else if (document.all)
	{
		document.all[szDivID].style.visibility = iState ? "visible" : "hidden";
	}
}

function validate_required(field,alerttxt)
{
	with (field)
	{
		if (value==null||value=="")
		{
			alert(alerttxt);return false;
		}
		else
		{
			return true
		}
	}
}

function validate_form(thisform)
{
	with (thisform)
	{
		if (validate_required(name,"Name field is required")==false)
		{
			name.focus();return false;
		}
		else if (validate_required(email,"Email field is required")==false)
		{
			email.focus();return false;
		}
		else if (validate_required(tel,"Telephone field is required")==false)
		{
			tel.focus();return false;
		}
		else
		{
			return true
		}
	}
}

function popUp(URL) {
	day = new Date();
	id = day.getTime();
	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=561,height=378,left=20,top=20');");
}