function isObject(cosa) {
 		if (!(cosa == null)) {
 			return( typeof cosa == 'object' );
 			}
 		else{
 			return false;
 			}
 }


$(document).ready(function () {
        
  if (isObject(document.getElementById('dialog_link'))){
  		

    $('.modal_dialog').dialog({
				        autoOpen: false,
				        width: 460,
				       /* height: 480,*/
				        
				        overlay: {	backgroundColor: '#000',		opacity: 0.5	},
						
				        modal: true,
				        position: 'center',
				        resizable:false,
				        draggable:false
				    });
				    
	$('.modal_dialog1').dialog({
				        autoOpen: false,
				        width: 500,
				       /* height: 630,*/
				        overlay: {		backgroundColor: '#000',		opacity: 0.5	},					
				        modal: true,
				        position: 'center',
     				     resizable:false,
     				     draggable:false
				    });

	
	$('.modal_dialog2').dialog({
				        autoOpen: false,
				        width: 460,
				        height: 400,
				          overlay: {	backgroundColor: '#000',		opacity: 0.5	},	
				        modal: true,
				        position: 'center',
				         resizable:false,
				         draggable:false
				    });
					
	$('#dialog_link').click(function () {
				        $('.modal_dialog').dialog('open');
				        return false;
				    });			
	$('#dialog_link1').click(function () {
		        $('.modal_dialog1').dialog('open');
		        return false;
		    });			
	    
			    
	$('#Tecnichedialog_link').click(function () {
				        $('.modal_dialog1').dialog('open');
				        return false;
				    });
				    
	$('#dialog_link2').click(function () {
				        $('.modal_dialog2').dialog('open');
				        return false;
		    		});
  }
});