//---------------------------------------------------DETECTIONS--------------------------------------------------


// convert all characters to lowercase to simplify testing 
var agt=navigator.userAgent.toLowerCase(); 

// *** BROWSER VERSION *** 
// Note: On IE5, these return 4, so use is_ie5up to detect IE5. 
var is_major = parseInt(navigator.appVersion); 
var is_minor = parseFloat(navigator.appVersion); 

// Note: Opera and WebTV spoof Navigator.  We do strict client detection. 
// If you want to allow spoofing, take out the tests for opera and webtv. 
var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1) 
	&& (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1) 
	&& (agt.indexOf('webtv')==-1)); 
var is_nav2 = (is_nav && (is_major == 2)); 
var is_nav3 = (is_nav && (is_major == 3)); 
var is_nav4 = (is_nav && (is_major == 4)); 
var is_nav4up = (is_nav && (is_major >= 4)); 
var is_navonly      = (is_nav && ((agt.indexOf(";nav") != -1) || 
		  (agt.indexOf("; nav") != -1)) ); 
var is_nav5 = (is_nav && (is_major == 5)); 
var is_nav5up = (is_nav && (is_major >= 5)); 

var is_ie   = (agt.indexOf("msie") != -1); 
var is_ie3  = (is_ie && (is_major < 4)); 
var is_ie4  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")==-1) ); 
var is_ie4up  = (is_ie  && (is_major >= 4)); 
var is_ie5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) ); 
var is_ie5up  = (is_ie  && !is_ie3 && !is_ie4); 
var is_ie7 = (is_ie && (is_major == 4) && (agt.indexOf("msie 7.0")!=-1) ); 



//---------------------------------------------------DETECTIONS--------------------------------------------------


//------------------------------------FONCTION PNG IE-----------------------------------------------------------
if(document.all && !is_ie7){
	document.write('<style type="text/css"><!-- img{ behavior: url(js/png.htc); } --></style>');
}
//------------------------------------FONCTION PNG IE-----------------------------------------------------------

/*
//Obj:str, pageObjs:str, classActive:str, decalSize:int, Const:int
var dat = {
	Obj: 'objectId',
	pageObjs: 'idPrefix',
	classActive: 'class',
	decalSize: 18,
	Const: 15
};

*/
function pageChanger(datas, Page){
	
	if(typeof datas != "object"){ return false; }
	
	var El = document.getElementById(datas.Obj);
	
	if(Page == 1){
		El.scrollTop = 0;
	}else{
		El.scrollTop = datas.decalSize*datas.Const*(Page-1);
	}
	for(var i=0; document.getElementById(datas.pageObjs+i); i++){
	
		var Ob = document.getElementById(datas.pageObjs+i);
		Ob.className = "";
	}
	document.getElementById(datas.pageObjs+(Page-1)).className=datas.classActive;
}

window.onload = function(){

	if(document.getElementById('galId')){
		
		document.imgViewer = new imgviewer(document.getElementById('divContainer'));
		document.imgViewer.make();
		document.imgViewer.resize();
		var xmlViewer = xml_loader('lib/viewer_gal.php?id='+document.getElementById('galId').value, function(Xml){ document.imgViewer.setContent(Xml); });
	}else if(document.getElementById('galsem')){
	
		document.imgViewer = new imgviewer(document.getElementById('divContainer'));
		document.imgViewer.make();
		document.imgViewer.resize();
		var xmlViewer = xml_loader('lib/get_sem.php', function(Xml){ document.imgViewer.setContent(Xml); });
	}
};

window.onresize = function(){

	document.imgViewer.resized = false;
	document.imgViewer.resize();
	
};