function init_win(url,title){
var win = new  Ext.Window({
                id: title,
                title:title,
                height:480,
                width:985,
		maximizable   : true,
    		collapsible   : true,

                layout : 'fit',
                items: {  
                       xtype : 'iframepanel', 
                       defaultSrc : url,
		       border:false,
		       loadMask:{msg:'Chargement de la page ...'}
                    },
                shim:false,
                frame:true,

                animCollapse:false/*,
		tbar : [
          	 {
			text    :'Reload',
            		 iconCls :'demo-action',
           		  handler : function(button){ win.load(); }
          }]*/
      }).show();

}

function init_win_image(url,title){
var xImageViewer = new Ext.ux.ImageViewer({
	id:'image-viewer',
	title:title,
	src: url,
	hideAction: 'close',
	modal:true
	}).show(); 


}