function MM_openBrWindow(theURL,winName,ample,alt) { //v2.0
	ample = parseInt(ample);
	alt = parseInt(alt);
	esq=(screen.width-ample) / 2; 
	dalt=(screen.height-alt) / 2; 
    window.open(theURL,winName,"width="+ample+",height="+alt+",top="+dalt+",left="+esq);
}