function showHideNode(thisNode){
			if(document.getElementById('node'+thisNode).style.display=='none'){
				document.getElementById('node'+thisNode).style.display='block';
				document.getElementById('rnode'+thisNode).className='collapse';
			}else{
				document.getElementById('node'+thisNode).style.display='none';
				document.getElementById('rnode'+thisNode).className='expand';
			}
			return;
	}
	/*function collapseAll(){
		var menuItems = document.getElementById(this.idOfTree).getElementsByTagName('LI');
		for(var no=0;no<menuItems.length;no++){
			var subItems = menuItems[no].getElementsByTagName('UL');
			if(subItems.length>0 && subItems[0].style.display=='block'){
				JSTreeObj.showHideNode(false,menuItems[no].id);
			}
		}
	}*/