function toggleTab(id)
{
	contents=Array("tab-content-inner1","tab-content-inner2", "tab-content-inner3");
	for (i=0;i<contents.length;i++)	
	{
		contentId=contents[i];
		document.getElementById(contentId).style.display='none';
		tabNo=i+1;
		document.getElementById('job-categoty-butt'+tabNo).className='tab_off';
	}
	document.getElementById('tab-content-inner'+id).style.display='';
	document.getElementById('job-categoty-butt'+id).className='tab_on';
}