function toggle(i){

    element = document.getElementById('article'+i);
    if (element.style.display == 'none'){
        element.style.display="";
    }
    else{
        element.style.display="none";
    }

}

function expandAll(state, id_list){

    var col_array=id_list.split(",");
    var part_num=0;
    while (part_num < col_array.length){
     
        element = document.getElementById('article'+col_array[part_num]);
        if (state){
            element.style.display="";
        }
        else{
            element.style.display="none";
        }     
      part_num+=1;
      }



}

function checkUncheckAll(state, id_list) {    
     
    var col_array=id_list.split(",");
    var part_num=0;
    while (part_num < col_array.length){
      
     element = document.getElementById('check_'+col_array[part_num]);
     element.checked = state;      
      part_num+=1;
      }
}

function confirmDelete()
{
	return confirm("Are you sure you want to delete this article?");	
}