/* $Id: listforums.js,v 1.8 2007/09/18 04:05:03 tbtrung Exp $ */
function show(element) {
    var tag = document.getElementById(element);
    if (tag == null) return;
    tag.style.display = '';
}

function hide(element) {
    var tag = document.getElementById(element);
    if (tag == null) return;
    tag.style.display = 'none';
}

function init() { //current element
    var arrayElement = document.getElementsByTagName("tr");  //get all element
    for (var i=0; i< arrayElement.length; i++) {
        //fix error with IE: (arrayElement[i].getAttribute("id").length > 0)
        if ((arrayElement[i] != null) && (arrayElement[i].getAttribute("id") != null ) && (arrayElement[i].getAttribute("id").length > 0)) {
            if (arrayElement[i].getAttribute("id").indexOf("/",2) == -1) {
                show(arrayElement[i].getAttribute("id"));
            } else {
                hide(arrayElement[i].getAttribute("id"));
            }
        }
    }
}

function execute(element) { //current element
    var arrayElement = document.getElementsByTagName("tr");  //get all element
    var flag = 1 ;

    for (var i=0; i< arrayElement.length; i++) {
        if ((arrayElement[i].getAttribute("id") != null ) && ( arrayElement[i] != null)) {
            var str = arrayElement[i].getAttribute("id");
            if ( arrayElement[i].getAttribute("id").indexOf( element ) == 0) {

                if ( arrayElement[i].getAttribute("id").length != element.length ) {
                    //test if it has child
                    if ( arrayElement[i].style.display == '' ) {
                        //alert(arrayElement[i].getAttribute("id").value);
                        flag = 0 ;
                        //break;
                    }
                }
            }
        }
    }
    var count = 0;
    for (var i=0; i< arrayElement.length; i++) {
        if ((arrayElement[i].getAttribute("id") != null ) && ( arrayElement[i] != null)) {
            //var str = arrayElement[i].getAttribute("id");
            if (arrayElement[i].getAttribute("id").indexOf( element ) == 0) {
                if ( arrayElement[i].getAttribute("id").length != element.length) {  
                    var pos1 = arrayElement[i].getAttribute("id").indexOf("/",element.length);
                   	var pos2 = arrayElement[i].getAttribute("id").indexOf("/",pos1+1);  
                    if (flag == 1 && pos1 != -1 && pos2 == -1) {
                        show( arrayElement[i].getAttribute("id") );        
                    } else if (flag == 0) {
                        hide( arrayElement[i].getAttribute("id") );
                    }

                }
            }
        }
    }
}

function execute1(element) { //current element
    var keys = new Array(element.length);
    var count = 0;
    var tmp;
        for(var i=1;i<element.length;i++) {
            if(element.charAt(i) == '/') {
                keys[count]=i;
                count++;
            }
        }
        var num=0;
        values = new Array(keys.length);
        if(count-1==0) {
            values[0] = element.substring(2);
        } else {
            for(var j=0;j<count;j++) {
               if(j<count-1){
                   values[j] = element.substring(keys[j]+1,keys[j+1]);
               }else{
                   values[j] = element.substring(keys[j]+1);
               }
            }
        }	

    var arrayElement = document.getElementsByTagName("tr");  //get all element
    var flag = 1 ;
    for (var i=0; i< arrayElement.length; i++) {
        if ((arrayElement[i].getAttribute("id") != null ) && ( arrayElement[i] != null)) {
            var str = arrayElement[i].getAttribute("id");
            if ( arrayElement[i].getAttribute("id").indexOf( element ) == 0) {

                if ( arrayElement[i].getAttribute("id").length != element.length ) {
                    if ( arrayElement[i].style.display == '' ) {
                        flag = 0 ;
                    }
                }
            }
        }
    }
    for (var i=0; i< arrayElement.length; i++) {
        var dem = 0;
        if ((arrayElement[i].getAttribute("id") != null ) && ( arrayElement[i] != null)) {
            //dem so / trong element dang xet
            for(var t=0;arrayElement[i].getAttribute("id")!= null && t<arrayElement[i].getAttribute("id").length;t++) {
                if (arrayElement[i].getAttribute("id").charAt(t) == '/' ) {
                    dem=dem+1;
                }
            }
            if(dem-2>0 && arrayElement[i].getAttribute("id").indexOf("//"+values[0])==-1) {
                // truong hop //1 hay //2
                hide(arrayElement[i].getAttribute("id"));
            } else if(dem-2>0) {
                var mark = "//";
                for(var j=0;j<dem-2;j++) {
                    if(j!= dem-3)
                        mark = mark+values[j]+"/";
                    else mark = mark + values[j]	
                }
                if(arrayElement[i].getAttribute("id").indexOf(mark)==-1) {
                    hide(arrayElement[i].getAttribute("id"));
                } else {
                    if(arrayElement[i].getAttribute("id").indexOf("f") != -1 && 
                       arrayElement[i].getAttribute("id").indexOf(element) == -1) {
                        hide(arrayElement[i].getAttribute("id"));
                    } else {
                        show(arrayElement[i].getAttribute("id"));
                    }	
                }
            }
        }
    }
}