Before
Code:
		var tabs = new Ext.TabPanel('tabs1');	
				tabs.addTab('information','<?php echo $language['tab']['basic']; ?>');
     			tabs.addTab('quantity', '<?php echo $language['tab']['quantity']; ?>');
				tabs.addTab('insurance','<?php echo $language['tab']['insurance']; ?> ');
				tabs.addTab('description','<?php echo $language['tab']['note']; ?> ');
http://pastebin.com/m42d2799e
After
Code:
var tabs = new Ext.TabPanel({
					renderTo:'tabs1',
					 activeTab: 0,	
					plain:true,
					items:[ { title : '<?php echo $language['tab']['basic']; ?>',
							  contentEl:'information'	},
						    { title : '<?php echo $language['tab']['quantity']; ?>', 
							  contentEl:'quantity'	},
							{ title : '<?php echo $language['tab']['insurance']; ?>',
							  contentEl:'insurance'	},
							{ title : '<?php echo $language['tab']['note']; ?>',
							  contentEl:'description'	}]
				});
Before there was Extjs textfield in the information id.When i migrating.It render also textfield two times.One outside the tab and another one inside the tab.Is there a way to separate the item without items :[id,id].I want to simplified it.Much examples is to difficult to read the code(too long).