function AppendTimeStampToFormTarget(){
	var timestampParam = '__ts=';
	var action = document.forms[0].action;
	var q = action.indexOf('?');
	var t = action.indexOf(timestampParam);
	if(q == -1){
		action += '?';
	}else if(t>q){ 
		action = action.substring(0, t);
	}else{
		action += '&';
	}
	action += timestampParam;
	action += new Date().getTime();
	document.forms[0].action = action;
}