function cambia(id, url) {
	document.getElementById(id).src=url; 
}

function cambia_immagine(foto, directory, incr){
	incr=incr+0;
	numero=numero+incr;
	if (numero<1) {
		numero=massimo
	}
	if (numero>massimo) {
		numero=1
	}
	document.getElementById(foto).src=directory+(numero-0)+".jpg"
}

function ingrandisci(directory,attuale){ 
	numerog = attuale
	// Set up Page Colors & Table  
	var DQUOTE = '\"'
	var s1 = "" + 
	"<html>\n" + 
	"<head>\n" + 
	"<TITLE>Ideal Casa</TITLE>\n" + 
	"<link href='style/idealcasa.css' rel='stylesheet' type='text/css'>\n" +    
	"<script type='text/javascript' src='style/javascript.js'></script>\n" + 
	"<script language='JavaScript' type='text/JavaScript'>\n" + 
	"	var massimo=" + massimo + "\n" +
	"	var numero=" + attuale + "\n" +
	"</script>\n" + 
	"</head>\n" + 
	"<BODY BGCOLOR='ffffff' topmargin='0' leftmargin='0'>\n" +
	"<TABLE width='100%'BORDER=0 cellspacing=0 cellpadding=0>"

	var s2 = "" + 
	"<TR><TD height=5></TD></tr>\n"+    
	"<tr><TD VALIGN=middle ALIGN=center height='350'>\n" + 
	"<img id='img_g_rot' src='"+directory+(numerog-0)+".jpg' class='gallery'>\n" + 
	"</td></tr>\n"+
	"<TR><TD height=5 align='center'>\n" + 
	"<a \n" + 
	"onclick=\"cambia_immagine('img_g_rot','"+directory+"',-1)\" \n" +  	"onmouseover=\"cambia('freccia-sx','imgs/freccia-sx-1.gif')\" \n" + 		"onmouseout=\"cambia('freccia-sx','imgs/freccia-sx-0.gif')\">\n" + 
	"<img id='freccia-sx' src='imgs/freccia-sx-0.gif' alt='indietro' border='0'>" + 
	"</a>&nbsp;&nbsp;\n" + 
	"<a \n" + 
	"onclick=\"cambia_immagine('img_g_rot','"+directory+"',1)\" \n" +  	"onmouseover=\"cambia('freccia-dx','imgs/freccia-dx-1.gif')\" \n" + 				"onmouseout=\"cambia('freccia-dx','imgs/freccia-dx-0.gif')\">\n" + 
	"<img id='freccia-dx' src='imgs/freccia-dx-0.gif' alt='avanti' border='0'>\n" + 
	"</a>\n" + 
	"</TD></tr>\n" + 
	"<tr><td valign=middle align=center>\n" + 
	"<a href='#' class='testo02' onClick='self.close()'><b>Chiudi</b></a>\n" + 
	"</TD></TR>\n"

	var s3 = "" + 
	"</TABLE>\n" + 
	"</BODY>\n" +
	"</html>"

	var l = Math.floor(((screen.width-770)/2)+200);
	popup = window.open("","popDialog","height=400,width=400,scrollbars=no,left="+l+",top=24")  
	popup.document.write(s1+s2+s3)  
	popup.document.close()
}