function open_it(url,w,h){
	window.open(url,'pop','height='+h+',width='+w+'location=no,resizable=no,scrollbars=no');
}

function center_me(w,h){
	if(navigator.appName.indexOf('Explorer')+1){
		var win_width=w;
		var win_height=h;
	} else {
		var win_width=window.outerWidth;
		var win_height=window.outerHeight;
	}
	var pos_x=(screen.width-win_width)/2;
	var pos_y=(screen.height-win_height)/2;
	moveTo(pos_x,pos_y);
}

function HideDiv(ID){
			document.getElementById(ID).style.display='none';
		}
		
		function ShowDiv(ID){
			document.getElementById(ID).style.display='';
		}
		
		function ShowHideDiv(ID){
			if(document.getElementById(ID).style.display=''){
				HideDiv(ID);
			}else{
				HideAll("offerta",1);
				ShowDiv(ID);
			}
		}
		
		function HideAll(prefix,iterations){
			for (i=1;i<=iterations;i++){
				HideDiv(prefix+i);
			}
		}