function searchRef(){
	var form = document.getElementById("searchRef");
	if(form.pReference.value!=form.pReference.defaultValue){
		form.submit();
	}else{
		return false;
	}
}

function searchClick(){
	var reference = document.getElementById("pReference");	
	if(reference.value==reference.defaultValue){
		reference.value="";
	}
}