function Start(page) {
OpenWin = this.open(page, "newWindow", "toolbar=no,menubar=no,location=yes,scrollbars=no,resizable=no");
}

function js_alert(textstring){
	alert(textstring);
}
function js_removefromblocklist(id,block) {
    var response = confirm("This user will remove from your block list. Are you sure?");

    if (response) {
        var ref = "viewuser.php?mode=removeblock&id="+id+"&block="+block;
	location.replace(ref);
    }
}

function js_addintoblocklist(id, block) {
    var response = confirm("This user will add into your block list. Are you sure?");

    if (response) {
        var ref = "viewuser.php?mode=addblock&id="+id+"&block="+block;
	location.replace(ref);
    }
}

function js_removeblocklist(id) {
    var response = confirm("This user will remove from your block list. Are you sure?");

    if (response) {
        var ref = "readmessage.php?mode=removeblock&id="+id;
	location.replace(ref);
    }
}
function js_addblocklist(id) {
    var response = confirm("This user will add into your block list. Are you sure?");

    if (response) {
        var ref = "readmessage.php?mode=block&id="+id;
	location.replace(ref);
    }
}

function js_event_del_confirm(id, mode, y, m, d) {
    var response = confirm("This action will delete the event,\n\nDo you really want to delete ?");

    if (response) {
        var ref = "eventday.php?act=delevent&id="+id+"&mode="+mode+"&y="+y+"&m="+m+"&d="+d;
	location.replace(ref);
    }
}

function js_user_priv_confirm(id, old, newid) {
    var response = confirm("This action will change the user privilage!\n\nDo you really want to change the privilage of the user from '"+old+"' to '"+newid+"' ?");

    if (response) {
        var ref = "manageuser.php?mode=priv&id="+id+"&txt="+newid;
	location.replace(ref);
    }
}
function js_privatemsg_sav_confirm(id, mode) {
    var response = confirm("This action will save the message into the SaveBox,\n\nDo you really want to save ?");

    if (response) {
        var ref = "message.php?act=save&id="+id+"&mode="+mode;
	location.replace(ref);
    }
}
function js_privatemsg_del_confirm(id, mode) {
    var response = confirm("This action will delete the message,\n\nDo you really want to delete ?");

    if (response) {
        var ref = "message.php?act=delete&id="+id+"&mode="+mode;
	location.replace(ref);
    }
}

function js_user_del_confirm(id, msg) {
    var response = confirm("This action will delete the user,\n\nDo you really want to delete ?");

    if (response) {
        var ref = "manageuser.php?mode=delete&id="+id;
	location.replace(ref);
    }
}

function js_forum_del_confirm(forum_id, msg) {
    var response = confirm("This action will delete the forum,\nthat currently has "+msg+
                           "\n\n\nDo you really want to delete ?");

    if (response) {
        var ref = "forum_index.php?mode=delete&id="+forum_id;
	location.replace(ref);
    }
}

function js_category_del_confirm(category_id, msg) {
    var response = confirm("This action will delete the category.\n\n\nDo you really want to delete ?");

    if (response) {
        var ref = "forum_index.php?mode=categorydelete&id="+category_id;
	location.replace(ref);
    }
}

function js_article_del_confirm(id, t, rootid, roottable, loginid, msg) {
    var response = confirm("This action will delete an article that you clicked.\n\n\nAre you sure?");

    if (response) {
        var ref = "article.php?mode=delete&aid="+id+"&at="+t+"&id="+rootid+"&t="+roottable+"&login_id"
		+loginid+"&p=1&n=1";
	location.replace(ref);
    }
}

function js_chk_sharedsender(source, notification) {
    alert ('hello');
    if (notification.value != 2) {
         source.checked = false;
	 alert ("Poster's email address can only be used if Notification is 'Every Posting a.s.a.p.'");
    }
}

function js_set_field(target, value) {
// this function is used for deletion of the login,
// if it is confirm to be deleted then the target will fill with the value (login_id)
// in which will be used for the deletion of the login
        var msg = "Warning: Delete this record will also remove the relationship with other's table";
        
        var response = confirm (msg + "\n\nDo you want to delete it?");
        if (response == true) {
                target.value = value;
        }
}


function dateConstraintCheck (day, month, year) {
        // set this up for month and year fields.

        M = month.options[month.selectedIndex].value;
        Y = year.options[year.selectedIndex].value;

        if ((M > 12) || (M < 1) || (Y < 1583)) { 
                // The Gregorian calendar can't help you here.  
                return false;
        }
   
        if (((M - 1) % 7) % 2 == 0) { 
                // Strange but true
        D = 31;
        }
        else if (M == 2) {
        if (((Y % 4) == 0) && (((Y % 100) != 0) || ((Y % 400) == 0))) {
                        D = 29;
                }
                else {
                    D = 28;
            }
        }
        else {
              D = 30;
        }

        // Now we figure out which days to add or delete from the day list.
        currentDay = day.options[day.selectedIndex].value;
        lastDay = day.options[day.length -1].value;
        
        // Do this first, rather than rudely delete the option out from under it.
        if (currentDay > D) {
                indexVal = D - 1;               
                day.options[indexVal].selected = true;
        }


        if (lastDay < D) {
                // When adding days, i = the value of the day.
                initial = parseInt(lastDay) + 1;
                for(var i = initial; i <= D ; i++) {
                        newOpt = new Option();
                        newOpt.text = i;
                        newOpt.value = i;
                        day.options[day.length] = newOpt;
                }
        }
        else if (lastDay > D) { 
                // when deleting days, i = the index of the option.
                initial = lastDay - 1;
                for(var i=initial; i >= D ;i--) {
                        day.options[i] = null;
                }
        }
}

function findObj(n, d) { 
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function showHideLayers() { 
  var i,p,v,obj,args=showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}