var api_domain='www.3dluoyang.com/api';
var js=['http://'+api_domain+'/extend/crossApi.js','http://'+api_domain+'/extend/o_map_extend.js'];

function loadScript(arr){
	for(var i=0;i<arr.length;i++){
		document.write('<script src="'+arr[i]+'"></script>');
	}
}

loadScript(js);