function valuechange() {
document.getElementById('search').value = "";   
}
function backchange() {
if(document.getElementById('search').value == "") {
document.getElementById('search').value = "Search By Business Name"; 
}  
}
function valuechange2() {
document.getElementById('search2').value = "";   
}
function backchange2() {
if(document.getElementById('search2').value == "") {
document.getElementById('search2').value = "Search By Keyword";  
} 
}