function ShowFormGuide(obj,GuideSentence){
if(obj.value==''){
obj.value=GuideSentence;
obj.style.color='#aaaaaa';
}
}
function HideFormGuide(obj,GuideSentence){
if(obj.value==GuideSentence ) {
obj.value='';
obj.style.color='#555555';
}
}