function ss_txt(thisname,b){
if(thisname.value==b){
thisname.value="";
}
}
function ss_txt2(thisname,b){
if(thisname.value==""){
thisname.value=b;
}
}

function dynamicShow(fileId,addId){
		document.getElementById(fileId).style.display = "block";
		document.getElementById(addId).style.display = "none";
}