function select_all(exby) 
{
	var forminputs =window.document.getElementsByTagName('input');
	var checkboxes =new Array();
	for (var x=0; x<forminputs.length; x++) 
	{
		if (forminputs[x].type=="checkbox") 
		{
			checkboxes[checkboxes.length] = forminputs[x];
		}
	}
	
	//now all checkboxes are in the array checkboxes so lets check all of them...
	//USE THE NEXT LINE TO CHECK THEM ALL
	for(var x=0;x<checkboxes.length;x++) 
	{
		checkboxes[x].checked = exby.checked? true:false
	}
	
	//USE THE NEXT LINE TO UNCHECK THEM ALL
	//for(var x=0;x<checkboxes.length;x++) {checkboxes[x].checked=false;}
	//USE THE NEXT LINE TO INVERSE THEM ALL
	//for(var x=0;x<checkboxes.length;x++) {if (checkboxes[x].checked) {checkboxes[x].checked=false;}else {checkboxes[x].checked=true;}}
}

function toggling(fieldID)
{	
	var el = document.getElementById(fieldID);
	if (el.style.display == "none")
	{
		el.style.display = "";
	}	
	else
	{
		el.style.display = "none";
	}
}