/* Javascript photo enlargement methods */
	
	var photo_window; // pop-up id
	var photo_url=""; // completed photo image URL
	var photo_values; // query string parameters
	var photo_parameters=""; // new window parameters
	var catid=""; // current cat
	var docid=""; // current doc id
	var photoid=""; // current photo id
	var photolang=""; // current translation language
	
	
	// Function show_photo to enlarge right side image
	function show_photo(catid,docid,photoid,photolang){
		
		// sets current coordinates
		detect_screen();
				
		if((catid==2) && (docid==1) && (photoid==2)) photo_url="http://www.casalarosa.it/vphoto.php?catid="+catid+"&docid="+docid+"&photoid="+photoid+"&photolang="+photolang+"";
		else photo_url="http://www.casalarosa.it/photo.php?catid="+catid+"&docid="+docid+"&photoid="+photoid+"&photolang="+photolang+"";
			
		photo_parameters="top="+photo_y+",left="+photo_x+",width=780,height=575,menubar=no,toolbar=no,scrollbars=no,status=no";
		if(is_OP==true) photo_parameters="top=0,left="+photo_x+",width=780,height=575,menubar=no,toolbar=no,scrollbars=no,status=no";
		photoid=catid+photoid;
		
		window.open(""+photo_url+"",""+photoid+"",""+photo_parameters+"");		
		
		photo_parameters="";
		photo_url="";
		catid="";
		docid="";
		photoid="";
		photo_x=0;
		photo_y=0;
		photo_pointer=0;
		
		if(is_IE==true) cancelBubble=true;
		
		return;
		
	}// end of show_photo() function