var date;

function el(id) {
        if (document.getElementById) {
            return document.getElementById(id);
        } else if (window[id]) {
            return window[id];
        }
        return null;
    }

function updateDate() {
        if (!date) {
            return;
        }
        var now = new Date();
        date.innerHTML = now.toDateString()+" "+now.toLocaleTimeString();
        setTimeout(updateDate, 1000);
}        
        
function preloadImgs() {
 var d=document,a=arguments; if(!d._imgs) d._imgs=new Array();
 for(var i=0; i<a.length; i++) { d._imgs[i]=new Image; d._imgs[i].src=a[i]; }
}

function swapImg() {
 var doc=document,args=arguments,elm,n; doc.$imgSwaps=new Array(); for(n=2; n<args.length;
 n+=2) { elm=getObjectByID(args[n]); if(elm) { doc.$imgSwaps[doc.$imgSwaps.length]=elm;
 elm.$src=elm.src; elm.src=args[n+1]; } }
}

function getObjectByID(id,o) { 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=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=getObjectByID(id,els[n]); if(el) return el; } }
 return null;
}

function change(id, newClass) {
identity=document.getElementById(id);
identity.className=newClass;
}

function changeTitle(){
	top.document.title=document.title;
}

function reset(){
	txt=document.getElementById("txtfield");
	txt.setText("");
}