PopUp = function(autoapply){
        this.types = [];
        this.defaults = {
                width:800,
                height:600,
                top:0,
                left:0,
                location:false,
                resizable:false,
                scrollbars:false,
                status:false,
                toolbar:false,
                menubar:false,
                center:true,
                title:"Dieser Link wird in einem neuen Fenster geöffnet"
        }
        this.addType({
                name:"standard",
                location:true,
                resizable:true,
                scrollbars:true,
                status:true,
                toolbar:true,
                menubar:true
        });
        if(autoapply) this.apply();
}
o = PopUp.prototype;
o.apply = function(){
        var links = document.getElementsByTagName("a");
        if(!links) return;
        for(var i=0;i<links.length;i++){
                var l = links[i];
                if(l.className.indexOf("popup") > -1){
                        this.attachBehavior(l,this.getType(l));
                }
        }
}
o.addType = function(type){
        for(var prop in this.defaults){
                if(type[prop] == undefined) type[prop] = this.defaults[prop];
        }
        this.types[type.name] = type;
}
o.getType = function(l){
        for(var type in this.types){
                if(l.className.indexOf(type) > -1) return type;
        }
        return "standard";
}
o.attachBehavior = function(l,type){
        var t = this.types[type];
        l.title = t.title;
        l.popupProperties = {
                type: type,
                ref: this
        };
        l.onclick = function(){
                this.popupProperties.ref.open(this.href,this.popupProperties.type);
                return false;
        }
}
o.booleanToWord = function(bool){
        if(bool) return "yes";
        return "no";
}
o.getTopLeftCentered = function(typeObj){
        var t = typeObj;
        var r = {left:t.left, top:t.top};
        var sh = screen.availHeight-20;
        var sw = screen.availWidth-10;
        if(!sh || !sw) return r;
        r.left = (sw/2)-(t.width/2);
        r.top = (sh/2)-(t.height/2);
        return r;
}
o.getParamsOfType = function(typeObj){
        var t = typeObj;
        var c = this.booleanToWord;
        if(t.center){
                var tc = this.getTopLeftCentered(typeObj);
                t.left = tc.left;
                t.top = tc.top;
        }
        var p = "width="+t.width;
        p+=",height="+t.height;
        p+=",left="+t.left;
        p+=",top="+t.top;
        p+=",location="+c(t.location);
        p+=",resizable="+c(t.resizable);
        p+=",scrollbars="+c(t.scrollbars);
        p+=",status="+c(t.status);
        p+=",toolbar="+c(t.toolbar);
        p+=",menubar="+c(t.menubar);
        return p;
}
o.open = function(url,type){
        if(!type) type = "standard";
        var t = this.types[type];
        var p = this.getParamsOfType(t);
        var w = window.open(url,t.name,p);
        if(w) w.focus();
        return false;
}