var jpg = 7;
var gif = 5;
var f = false;
var b = new Array;
var c = new Array;

/********** reload images ************/
function prel(){
	for(i=1;i<=jpg;i++)
	{
		str = '/images/buttons/b' + i + '_o.jpg';
		b[i-1] = new Image();
		b[i-1].src = str;
	}
	for(i=1;i<=gif;i++)
	{
		str = '/images/buttons/b' + i + '_o.gif';
		c[i-1] = new Image();
		c[i-1].src = str;
	}
}

function on(im){document.images[im].src="/images/buttons/"+im+"_o.jpg";}

function off(im){document.images[im].src = "/images/buttons/"+im+".jpg";}

function on_gif(im){document.images[im].src="/images/buttons/"+im+"_o.gif";}

function off_gif(im){document.images[im].src = "/images/buttons/"+im+".gif";}

/********** change classname ***********/
function over(id) {document.getElementById(id).className="hoverTD"}
function out(id) {document.getElementById(id).className="normalTD"}

/********** Jump Select **********/
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}


/********** Show block **********/
function show(id, email) {
	if(document.getElementById(id))
	if (document.getElementById(id).style.display == 'block')
		document.getElementById(id).style.display = 'none';
	else
		document.getElementById(id).style.display = 'block';
}

function show_all(up) {
	if (document.getElementById('butt_close').style.display=='block') {		
		for(i=1;i<=up;i++) {	  
	     try{eval('document.getElementById("block'+i+'").style.display="none"');}
       catch (e){}
		   try{eval('document.getElementById("obj_'+i+'").style.display="none"');}
       catch (e){}
	    }	  		
		document.getElementById('butt_close').style.display='none'
		document.getElementById('butt_open').style.display='block';
	}		
	else {
		for(i=1;i<=up;i++) {	  
	     try{eval('document.getElementById("block'+i+'").style.display="block"');}
       catch (e){}
		   try{eval('document.getElementById("obj_'+i+'").style.display="block"');}
       catch (e){}
	    }					
		document.getElementById('butt_open').style.display='none';
		document.getElementById('butt_close').style.display='block';
	}
}