function hidorshow(item1,item2){
    item1=document.getElementById(item1).style;
    item2=document.getElementById(item2).style;
    if(item1.display=="none"){
        item1.display="";
        item2.display="none";
    }else{
        item1.display="none";
        item2.display=""; 
    }

}

var filteremail = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
var filterusername = /^([a-zA-Z0-9_])+$/;

function isemail(email){
    reg=/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
    return reg.test(email);
}

function docsel(id){
    return document.getElementById(id).value;
}
function docvalue(id,value){

    document.getElementById(id).innerHTML=value;
}
function val(id){
    return $(id).val();
}
function sethtml(id,conntent){
    return $(id).html(conntent);
}
function html(id){
    return $(id).html();
}