function UncheckQuerySubjects(id) {
	ctrl = document.getElementById(id);
	
	if(ctrl.id != 'cbsearch0' && ctrl.checked)
		document.getElementById('cbsearch0').checked = false;
		
	if(ctrl.id == 'cbsearch0' && ctrl.checked)
	{
		var elements;
		elements = document.getElementsByTagName("input");
		
		for(i=0;i<elements.length;i++)
		{
			e = elements[i];
			if(e.id.substring(0, 8) == 'cbsearch' && e.id != 'cbsearch0')
				e.checked = false;
		}		
	}
}