var tb_sizing = new Array();
var tb_size_interval = 15;
var tb_normalsize = 32;
var tb_smallsize = 18;
var tb_sizingspeed = 2;

function tb_sizer(tbid, tbiid) {
	var obj, dir;
	
	dir=tb_sizing[tbid][tbiid];
	obj=document.getElementById('tbimg_'+tbid+'_'+tbiid);
	
	if (!((dir>0 && obj.width<tb_normalsize) ||
	      (dir<0 && obj.width>tb_smallsize))) {
		tb_sizing[tbid][tbiid]=0;
		return;
	}
	
	obj.width+=dir*tb_sizingspeed;
	obj.height+=dir*tb_sizingspeed;
	
	if ((dir>0 && obj.width<tb_normalsize) ||
	    (dir<0 && obj.width>tb_smallsize)) {
		setTimeout('tb_sizer('+tbid+', '+tbiid+')', tb_size_interval);
		return;
	}
	tb_sizing[tbid][tbiid]=0;
}

function tb_img_hover(tbitem) {
	var up, tbid, tbiid;
	
	up=tbitem.indexOf('_');
	tbid=parseInt(tbitem.substring(0, up));
	tbiid=parseInt(tbitem.substring(up+1));
	
	if (!tb_sizing[tbid]) tb_sizing[tbid]=new Array();
	if (tb_sizing[tbid][tbiid]==null) tb_sizing[tbid][tbiid]=0;
	if (tb_sizing[tbid][tbiid]>=0) {
		var oldval=tb_sizing[tbid][tbiid];
		tb_sizing[tbid][tbiid]=-1;
		if (!oldval) setTimeout('tb_sizer('+tbid+', '+tbiid+')', tb_size_interval);
	}
}

function tb_img_unhover(tbitem) {
	var up, tbid, tbiid;
	
	up=tbitem.indexOf('_');
	tbid=parseInt(tbitem.substring(0, up));
	tbiid=parseInt(tbitem.substring(up+1));
	
	if (!tb_sizing[tbid]) tb_sizing[tbid]=new Array();
	if (tb_sizing[tbid][tbiid]==null) tb_sizing[tbid][tbiid]=0;
	if (tb_sizing[tbid][tbiid]<=0) {
		var oldval=tb_sizing[tbid][tbiid];
		tb_sizing[tbid][tbiid]=1;
		if (!oldval) setTimeout('tb_sizer('+tbid+', '+tbiid+')', tb_size_interval);
	}
}

function tb_submit(formid) {
	var obj;
	obj = document.getElementById(formid);
	if (obj) obj.submit();
	else alert('Fatal error: forma "'+formid+'" nije nadjena!');
}

function tb_submitwithval(formid, name, value) {
	var obj;
	obj = document.getElementById(formid+'_'+name);
	if (obj) obj.value=value;
	else alert('Upozorenje: objekt "'+formid+'_'+name+'" nije nadjen!');

	tb_submit(formid);
}

function tb_goto_link(link) {
	document.location=link;
}