function expandingWindow(website) {
	var windowprops='width=1,height=1,scrollbars=no,status=no,resizable=yes,location=no'
	var heightspeed = 4; 
	var widthspeed = 4; 
	var leftdist = 50;   
	var topdist = 50; 
	var lunghezza = 566;
	var altezza = 398;

	if(lunghezza == 0){lunghezza = window.screen.availWidth;}
	if(altezza == 0){altezza = window.screen.availHeight;}

	if(window.resizeTo&&navigator.userAgent.indexOf("Opera")==-1){
		var winwidth = lunghezza;
		var winheight = altezza;
		var sizer = window.open("","","left=" + leftdist + ",top=" + topdist +","+ windowprops);
		for(sizeheight = 1; sizeheight < winheight; sizeheight += heightspeed) sizer.resizeTo("1", sizeheight);
		for(sizewidth = 1; sizewidth < winwidth; sizewidth += widthspeed) sizer.resizeTo(sizewidth, sizeheight); sizer.location = website;
	}
	else window.open(website,'mywindow');
}