function open_win3 (my_path,w,h){
		pop_win = window.open(my_path,'pop_win','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizeable=no,copyhistory=no,width='+w+',height='+h+',marginwidth=0,marginheight=0');
};
function open_win (my_path,w,h){
	largo=w;
	alto=h
	posh=Math.floor((screen.height-alto)/2); 
	posw=Math.floor((screen.width-largo)/2);
	
	//pop_win = window.open(my_path,'pop_win','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizeable=no,copyhistory=no,width='+w+',height='+h+',top='+posw+',left='+posh+',marginwidth=0,marginheight=0');
	pop_win = window.open(my_path,'pop_win','scrollbars=yes,width='+w+',height='+h+',top='+posh+',left='+posw);

};


function open_win_martina (my_path,w,h){
	largo=w;
	alto=h
	posh=Math.floor((screen.height-alto)/2); 
	posw=Math.floor((screen.width-largo)/2);
	
	//pop_win = window.open(my_path,'pop_win','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizeable=no,copyhistory=no,width='+w+',height='+h+',top='+posw+',left='+posh+',marginwidth=0,marginheight=0');
	//pop_win = window.open(my_path,'pop_win','scrollbars=yes,width='+w+',height='+h+',top='+posh+',left='+posw);

};