function treevalues(x){
   display = "The applet returned the following data set to the browser:\n\n";
   user_mat ="";	
   for (tabindex=0; tabindex<document.data_form['tabnumber'].value; tabindex++){
	   document.itree.setTab(tabindex);
	   var x = document.itree.getSelections(0,1);
	   var results = eval('new Array(' + x + ')');
	   for (i=0; i<results.length; i++)
	   {
	    display += "\t" + results[i] + "\n";
	    user_mat += "" + results[i] + "&";
	   }
   }

   document.data_form['sel_array'].value=user_mat.substring(0, user_mat.length-1);
   document.data_form.submit();
}


function checkAll(b){
	for (tabindex=0; tabindex<document.data_form['tabnumber'].value; tabindex++){
	   document.itree.setTab(tabindex);
	   document.itree.checkAll(b);
	}
	treevalues(' ');
}

function checkAllTab(b){
	document.itree.checkAll(b);
}