rowcode=0;
nereidFadeObjects = new Object();
nereidFadeTimers = new Object();
re=/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/

function SubmitIt(myForm) {
if(re.test(myForm.emailAddr.value)) {
return true
}
alert("Invalid email address")
myForm.emailAddr.focus()
myForm.emailAddr.select()
return false
}

function nereidFade(object, destOp, rate, delta){
if (!document.all)
return
    if (object != "[object]"){  //do this so I can take a string too
        setTimeout("nereidFade("+object+","+destOp+","+rate+","+delta+")",0);
        return;
    }
    clearTimeout(nereidFadeTimers[object.sourceIndex]);
    diff = destOp-object.filters.alpha.opacity;
    direction = 1;
    if (object.filters.alpha.opacity > destOp){
        direction = -1;
    }
    delta=Math.min(direction*diff,delta);
    object.filters.alpha.opacity+=direction*delta;
    if (object.filters.alpha.opacity != destOp){
        nereidFadeObjects[object.sourceIndex]=object;
        nereidFadeTimers[object.sourceIndex]=setTimeout("nereidFade(nereidFadeObjects["+object.sourceIndex+"],"+destOp+","+rate+","+delta+")",rate);
    }
}
function myclick(_id)
{
if(rowcode!=0)
document.getElementById(rowcode).style.background="#f0f0f0";
rowcode=_id;
document.getElementById(_id).style.background="#DFddFF";
}

function FP_changeProp() {//v1.0

 var args=arguments,d=document,i,j,id=args[0],o=FP_getObjectByID(id),s,ao,v,x;
 d.$cpe=new Array(); if(o) for(i=2; i<args.length; i+=2) { v=args[i+1]; s="o"; 
 ao=args[i].split("."); for(j=0; j<ao.length; j++) { s+="."+ao[j]; if(null==eval(s)) { 
  s=null; break; } } x=new Object; x.o=o; x.n=new Array(); x.v=new Array();
 x.n[x.n.length]=s; eval("x.v[x.v.length]="+s); d.$cpe[d.$cpe.length]=x;
 if(s) eval(s+"=v"); }
}

function FP_getObjectByID(id,o) {//v1.0
 var c,el,els,f,m,n; if(!o)o=document; if(o.getElementById) el=o.getElementById(id);
 else if(o.layers) c=o.layers; else if(o.all) el=o.all[id]; if(el) return el;
 if(o.id==id || o.name==id) return o; if(o.childNodes) c=o.childNodes; if(c)
 for(n=0; n<c.length; n++) { el=FP_getObjectByID(id,c[n]); if(el) return el; }
 f=o.forms; if(f) for(n=0; n<f.length; n++) { els=f[n].elements;
 for(m=0; m<els.length; m++){ el=FP_getObjectByID(id,els[n]); if(el) return el; } }
 return null;
}
// -->
function FP(c) {

if (c==1)
FP_changeProp(/*id*/'tb_ebook',0,'style.visibility','visible','style.position','relative');
//var ss=document.niaz.banner.checked;
var ss=document.getElementById("checkbox_show").checked;
//alert(ss); 
if (ss == true)
FP_changeProp(/*id*/'tb_ebook',0,'style.visibility','visible','style.position','relative');
else
FP_changeProp(/*id*/'tb_ebook',0,'style.visibility','hidden','style.position','absolute')
}