function pop(){
	// created by webanana www.e-tree.com
	// pop ( href [,target] [,x] [,y] [,"maximized"] [,"fullscreen"] [,"nocenter"] [,"scroll"] )
	if(arguments.length>0){
		_url=arguments[0];
		var x,y,o,_target="",_params=new Array(),center=true,maximized=false,fullscreen=false,scroll=false;
		for(i=1;i<arguments.length;i++){
			if(isNaN(arguments[i])){
				switch(arguments[i]){
					case"nocenter":
						center=false;
					break;
					case"scroll":
						scroll=true;
					break;
					case"maximized":
						maximized=true;
						_params[_params.length]="left=0";
						_params[_params.length]="top=0";
						_params[_params.length]="width="+(screen.width-6);
						_params[_params.length]="height="+(screen.height-26);
					break;
					case"fullscreen":
						fullscreen=true;
						_params[_params.length]="fullscreen=yes";
					break;
					default:
						_target=arguments[i];
					break;
				}
			}
		}
		if(!fullscreen && _target=="")_params[_params.length]="scrollbars="+((scroll)?"yes":"no");
		if(!maximized && !fullscreen){
			for(i=1;i<arguments.length;i++){
				if(!isNaN(arguments[i]) && !maximized){
					if(x==undefined){
						x=arguments[i];
						_params[_params.length]="width="+x;
					}else{
						y=arguments[i];
						_params[_params.length]="height="+y;
					}
				}
			}
			if(center && _target==""){
				_params[_params.length]="left="+((screen.width-x)/2);
				_params[_params.length]="top="+((screen.height-y)/2);
			}
		}
		//alert(_params)
		o=window.open(_url,_target,_params.join(","));
		if(o==undefined)alert("L'apertura della finestra è stata bloccata");
	}
}