function ToggleLayer(obj) {
	if(document.all) {
	  if(document.all[obj].style.display == 'none') {
			document.all[obj].style.display = 'block';
		} else {
			document.all[obj].style.display = 'none';
		}
	} else{
		if(document.getElementById(obj).style.display == 'none') {
			document.getElementById(obj).style.display = 'table-row';
		} else {
			document.getElementById(obj).style.display = 'none';
		}
  }
}

function ToggleLayerG(obj) {
	if(document.all) {
	  if(document.all[obj].style.display == 'none') {
			document.all[obj].style.display = 'block';
		} else {
			document.all[obj].style.display = 'none';
		}
	} else{
		if(document.getElementById('group_'+obj).style.display == 'none') {
			document.getElementById('group_'+obj).style.display = 'block';
			document.getElementById('gheader_'+obj).style.background = 'url(images/up.png) no-repeat 0 0';
			document.getElementById('gheadername_'+obj).style.textAlign = 'center';
			setCookie('group_'+obj,0,0);
			
			
		} else {
			document.getElementById('group_'+obj).style.display = 'none';
			document.getElementById('gheader_'+obj).style.background = 'url(images/down.png) no-repeat 0 0';
			document.getElementById('gheadername_'+obj).style.textAlign  = 'left';
			setCookie('group_'+obj,1,365);
		}
  }
}

function openURI() {
	var control = document.navigator.nav;
	if (control.options[control.selectedIndex].value != 'no-url') {
		location.href = control.options[control.selectedIndex].value;
	}
}

function setCookie(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toUTCString());
}