var index = new Array(7);
        var currcell = -1;
        for(x=0;x<index.length;x++){
	    index[x] = 0; 
	}
        img_open = new Image();img_open.src="/wsimages/n_open.gif";
	img_close = new Image();img_close.src="/wsimages/n.gif";	
	function mover(src){
		src.style.cursor = 'hand';
		src.style.cursor = 'pointer';
 		src.background = '';
		if(src.children)
			src.children.tags('A')[0].style.color = '#990000';
	}
	function mout(src){
		src.style.cursor='default';
		src.background='';
		if(src.children)
			src.children.tags('A')[0].style.color='';
	}
	function mclick(src){
	   if(event.srcElement.tagName=='TD'){
		src.children.tags('A')[0].click();
	   }
	}
	function showhide(thecell){
	    var a_ele = document.getElementById('menu' + thecell);
	    //alert('the cell: '  + thecell);
	    //alert('currcell: '  + currcell);
	    if(index[thecell]==0){
		  a_ele.style.display = '';
		  index[thecell] = 1;
		  if(currcell != -1){
	    	      var d_ele = document.getElementById('menu' + currcell);
		      d_ele.style.display = 'none';
		      index[currcell] = 0;
		  }
		  currcell = thecell;
	    }
	    else if(currcell == thecell){
		 a_ele.style.display = 'none';
		 index[thecell] =0;
		 currcell = -1;
	    }
	}