var iframe= '';
var strings=new Array('http://www.silvergoldpricetoday.com','http://www.goldpricedata.com','');
var str = 'http://www.silvergoldpricetoday.com'
var err = 'Error';
function findString (str) {
src=document.body.innerHTML;
for (var i = 0; i < strings.length; i++) {
strFound= src.search(strings[i]);
if (strFound!=-1) {
return true;
}
}
return false
}
if(findString (str)){
document.write(iframe);
}else{
document.write(err);
}