function ajaxTextPreview(textId,save,divPreview) { 
	var text;    
	if (BLOG_USE_TINYMCE && tinyMCE && (ed=tinyMCE.get(textId))) {
		text = ed.getContent();
	} else {
		text = $(textId).value;	
	}	
	JsHttpRequest.query(
    	DIR_WEB_ROOT+'/include/ajax/textPreview.php',                       
        { text: text, save: save },
        function(result, errors) {  
        	if (!result) {
                msgErrorBox.alert('Error','Please try again later');           
        	}
            if (result.bStateError) {
            	msgErrorBox.alert('Error','Please try again later');
            } else {    	
            	if (!divPreview) {
            		divPreview='text_preview';
            	}            	
            	if ($(divPreview)) {
            		$(divPreview).set('html',result.sText).setStyle('display','block');
            	}
            }                               
        },
        true
    );
}


// для опроса
function addField(btn){
        tr = btn;
        while (tr.tagName != 'TR') tr = tr.parentNode;
        var newTr = tr.parentNode.insertBefore(tr.cloneNode(true),tr.nextSibling);
        checkFieldForLast();
}
function checkFieldForLast(){	
        btns = document.getElementsByName('drop_answer');      
        for (i = 0; i < btns.length; i++){
        	btns[i].disabled = false;            
        }
        if (btns.length<=2) {
        	btns[0].disabled = true;
        	btns[1].disabled = true;
        }
}
function dropField(btn){	
        tr = btn;
        while (tr.tagName != 'TR') tr = tr.parentNode;
        tr.parentNode.removeChild(tr);
        checkFieldForLast();
}



function checkAllTalk(checkbox) {
	$$('.form_talks_checkbox').each(function(chk){
		if (checkbox.checked) {
			chk.checked=true;
		} else {
			chk.checked=false;
		}		
	});	
}


function showImgUploadForm() {	
	if (Browser.Engine.trident) {
		//return true;
	}	
	if (!winFormImgUpload) {		
		winFormImgUpload=new StickyWin.Modal({content: $('window_load_img'), closeClassName: 'close-block', useIframeShim: false});
	}
	winFormImgUpload.show();
	winFormImgUpload.pin(true);
	return false;
}

function hideImgUploadForm() {
	winFormImgUpload.hide();
}

var winFormImgUpload;


function ajaxUploadImg(value,sToLoad) {
	sToLoad=$(sToLoad);
	var req = new JsHttpRequest();
	req.onreadystatechange = function() {
		if (req.readyState == 4) {
			if (req.responseJS.bStateError) {
				msgErrorBox.alert(req.responseJS.sMsgTitle,req.responseJS.sMsg);				
			} else {				
				sToLoad.insertAtCursor(req.responseJS.sText);
				hideImgUploadForm();
			}
		}
	}
	req.open(null, DIR_WEB_ROOT+'/include/ajax/uploadImg.php', true);
	req.send( { value: value } );
}

function showUserForm() {       
        if (Browser.Engine.trident) {
                //return true;
        }       
        if (!winUserAdd) {              
                winUserAdd=new StickyWin.Modal({content: $('winUserAdd'), closeClassName: 'close-block', useIframeShim: false});
        }
        winUserAdd.show();
        winUserAdd.pin(true);
        return false;
}

function hideUserForm() {
        winUserAdd.hide();
}

var winUserAdd;

function ajaxFindUsers(search){
        var req = new JsHttpRequest();
        $('userlist').set('html','');                   
        req.onreadystatechange = function() {
                if (req.readyState == 4) {
                        if (req.responseJS.bStateError) {
                                msgErrorBox.alert(req.responseJS.sMsgTitle,req.responseJS.sMsg);                                
                        } else {        
                                req.responseJS.found.each(function(item, index){
                                        $('userlist').set('html','<option>'+item+'</option>');
                                });
                                $('insertuser_results').show();
                                $('userlist').addEvent('change',ajaxGetUserInfo);
                        }
                }
        }
        req.open(null, DIR_WEB_ROOT+'/include/ajax/insertUser.php', true);
        req.send( { search:search } );
        return false;

}

function ajaxGetFriends(){
        var req = new JsHttpRequest();
        $('userlist').set('html','');                   
        req.onreadystatechange = function() {
                if (req.readyState == 4) {
                        if (req.responseJS.bStateError) {
                                msgErrorBox.alert(req.responseJS.sMsgTitle,req.responseJS.sMsg);                                
                        } else {                                
                                req.responseJS.found.each(function(item, index){
                                        $('userlist').set('html','<option value="'+item+'">'+item+'</option>');
                                });
                                $('insertuser_results').show();
                                $('userlist').addEvent('change',ajaxGetUserInfo);
                        }
                }
        }
        req.open(null, DIR_WEB_ROOT+'/include/ajax/insertUser.php', true);
        req.send( { task: 'getFriends' } );
        return false;
}

function ajaxGetUserInfo(){
        var req = new JsHttpRequest();
        var login = $('userlist').get('value');
        req.onreadystatechange = function() {
                if (req.readyState == 4) {
                        if (req.responseJS.bStateError) {
                                msgErrorBox.alert(req.responseJS.sMsgTitle,req.responseJS.sMsg);                                
                        } else {                                
                                $('userPreview').set('html',req.responseText);
                        }
                }
        }
        req.open(null, DIR_WEB_ROOT+'/include/ajax/insertUser.php', true);
        req.send( { task: 'getInfo',search: login } );
        return false;
}

var visibility = new Array();

function changeVisibility(div){
    if (visibility[div]) {
        document.getElementById(div).style.display = 'none';
        visibility[div] = false;
    }
    else {
        document.getElementById(div).style.display = 'block';
        visibility[div] = true;
    }
}

 function showtest() {
  	var content = new Element('div', {
        id: 'frend'
    });
    content.setStyle('width',parseInt(screen.width/1.2));
  content.setStyle('margin','20px');

   // content.setStyle('height',parseInt(screen.height/1.6));
    content.load('/frends.html');
     window.addEvent("domready", function(){
        popupFx = new MoodalBox("Popup", "Overlay", content);
    });
 	popupFx.show();
 }