function writeHiddenIdInput(variable){
	var query = document.location.search.substring(1);
	var vars = query.split("&");
	for(var i=0;i<vars.length;i++){
		var pair = vars[i].split("=");
		if(pair[0]==variable){
			document.getElementById('form_id').value=pair[1];
		}
	}
	
}