function unselectAll(){
	
	inputfields = document.getElementById("searchAdvancedCheckBoxes").getElementsByTagName("input");
	for(i=0; i<inputfields.length; i++)
	{
		inputfields[i].checked=false;
	}
}
			
function selectAll(){
	inputfields = document.getElementById("searchAdvancedCheckBoxes").getElementsByTagName("input");
	for(i=0; i<inputfields.length; i++)
	{
		inputfields[i].checked=true;
	}
}