function Check(e)
{
	e.checked = true;			
}

function UnCheck(e)
{
	e.checked = false;		
}
function CheckAll(formName, checkName)
{
	var i;
	var ml;
	for(i=0; i<document.forms.length; i++)
	{
		if(document.forms(i).name==formName)
		{
			ml = document.forms(i)
			var len = ml.elements.length;
			for (var j = 0; j < len; j++)
			{
				var e = ml.elements[j];				
				if (e.name.substring(0, checkName.length) == checkName)
				{
					Check(e);
				}
			}
			break;
		}
	}
}		
function UnCheckAll(formName, checkName)
{
	var i;
	var ml;
	for(i=0; i<document.forms.length; i++)
	{
		if(document.forms(i).name==formName)
		{
			ml = document.forms(i)
			var len = ml.elements.length;
			for (var j = 0; j < len; j++)
			{
				var e = ml.elements[j];
				if (e.name.substring(0, checkName.length) == checkName)
				{
					UnCheck(e);
				}
			}
			break;
		}
	}
}