function openLightbox(str_url){
	
    if(str_url=='http://www.ocbc.com/personal-banking/cards/instantrewards/lightbox_index.html')
		$.fn.colorbox({href:str_url, open:true, iframe:true, width:620, height:328, opacity: 0.5, overlayClose:false}); 
    else
		$.fn.colorbox({href:str_url, open:true, iframe:true, width:830, height:640, opacity: 0.5, overlayClose:false}); 
}
function openLightbox2(str_url){
		$.fn.colorbox({href:str_url, open:true, iframe:true, width:620, height:328, opacity: 0.5, overlayClose:false}); 
}