if(document.getElementsByName("url")[0] != null){
	document.getElementsByName("url")[0].value = document.URL;
}
if(document.getElementsByName("url")[1] != null){
	document.getElementsByName("url")[1].value = document.URL;
}
if(document.getElementsByName("url")[2] != null){
	document.getElementsByName("url")[2].value = document.URL;
}
if(document.getElementsByName("url")[3] != null){
	document.getElementsByName("url")[3].value = document.URL;
}