/* #--- Copyright New Generation Software ® - Ivo Petrov ---# */
var scrs=new Array();
var trans_step = 0.1;
var newtrans1 = 0;
var newtrans2 = 1;
var current_scr = 0;
var timer_on_off = 0;

//window.onload=getBannScrs; 
function getBannScrs()
{
	
	
	for (var i=1; i <= 5; i++)
	{
		if (document.getElementById("scr"+i))
		{
			scrs[i-1]=document.getElementById("scr"+i);
			scrs[i-1].style.visibility = "hidden";
		}

	}
	//alert(scrs[1].style.visibility);
	//showScr(1);
	rotateBScr();
	//if (scrs[0].style.visibility=="visible")
	//	alert("scr1 visible true");
	//scrs[0]=document.getElementById("scr1");
	//alert(scrs[0].innerHTML);
}

function showScr(id)
{
	if(id >= 6)
	{
		id = 1;
	}
	
	switch (id) {
	
	case 1: 
		
		document.getElementById("bs_nav").innerHTML = '<img class="bs_nav" align="right" src="images/5inactive_scr.gif" border="0" onClick="showScr(5)" />' + 
		'<img class="bs_nav" align="right" src="images/4inactive_scr.gif" border="0" onClick="showScr(4)" />' + 
		'<img class="bs_nav" align="right" src="images/3inactive_scr.gif" border="0" onClick="showScr(3)" />' +
		'<img class="bs_nav" align="right" src="images/2inactive_scr.gif" border="0" onClick="showScr(2)" />' +
		'<img class="bs_nav_a" align="right" src="images/1active_scr.gif" border="0" />'
		showBScr(1);
		break;
	case 2: 
		
		document.getElementById("bs_nav").innerHTML = '<img class="bs_nav" align="right" src="images/5inactive_scr.gif" border="0" onClick="showScr(5)" />' + 
		'<img class="bs_nav" align="right" src="images/4inactive_scr.gif" border="0" onClick="showScr(4)" />' + 
		'<img class="bs_nav" align="right" src="images/3inactive_scr.gif" border="0" onClick="showScr(3)" />' +
		'<img class="bs_nav_a" align="right" src="images/2active_scr.gif" border="0" />' +
		'<img class="bs_nav" align="right" src="images/1inactive_scr.gif" border="0" onClick="showScr(1)"/>'
		;
		showBScr(2);
		break;
	case 3: 
		
		document.getElementById("bs_nav").innerHTML = '<img class="bs_nav" align="right" src="images/5inactive_scr.gif" border="0" onClick="showScr(5)" />' + 
		'<img class="bs_nav" align="right" src="images/4inactive_scr.gif" border="0" onClick="showScr(4)" />' + 
		'<img class="bs_nav_a" align="right" src="images/3active_scr.gif" border="0" />' +
		'<img class="bs_nav" align="right" src="images/2inactive_scr.gif" border="0" onClick="showScr(2)" />' +
		'<img class="bs_nav" align="right" src="images/1inactive_scr.gif" border="0" onClick="showScr(1)"/>'
		;
		showBScr(3);
		break;
	case 4: 
 
		
		document.getElementById("bs_nav").innerHTML = '<img class="bs_nav" align="right" src="images/5inactive_scr.gif" border="0" onClick="showScr(5)" />' + 
		'<img class="bs_nav_a" align="right" src="images/4active_scr.gif" border="0" />' + 
		'<img class="bs_nav" align="right" src="images/3inactive_scr.gif" border="0" onClick="showScr(3)" />' +
		'<img class="bs_nav" align="right" src="images/2inactive_scr.gif" border="0" onClick="showScr(2)" />' +
		'<img class="bs_nav" align="right" src="images/1inactive_scr.gif" border="0" onClick="showScr(1)"/>'
		;
		showBScr(4);
		break;
	case 5: 
		
		document.getElementById("bs_nav").innerHTML = '<img class="bs_nav_a" align="right" src="images/5active_scr.gif" border="0" />' + 
		'<img class="bs_nav" align="right" src="images/4inactive_scr.gif" border="0" onClick="showScr(4)" />' + 
		'<img class="bs_nav" align="right" src="images/3inactive_scr.gif" border="0" onClick="showScr(3)" />' +
		'<img class="bs_nav" align="right" src="images/2inactive_scr.gif" border="0" onClick="showScr(2)" />' +
		'<img class="bs_nav" align="right" src="images/1inactive_scr.gif" border="0" onClick="showScr(1)"/>'
		;
		showBScr(5);
		break;

	}
	//t2=setTimeout("showScr("+(current_scr+1)+")", 8000);
}

function showBScr(id)
{
	scrs[id-1].style.visibility = "visible";
	newtrans1 += trans_step;
	scrs[id-1].style.opacity = newtrans1;
	

	if (current_scr != 0)
	{
		newtrans2 -= trans_step;
		scrs[current_scr-1].style.opacity = newtrans2;
	}
	
	t=setTimeout("showBScr("+id+")", 42);
	if(newtrans1 >= 1)
	{
		if(current_scr != 0)
			scrs[current_scr-1].style.visibility = "hidden";
		
		current_scr = id;
		newtrans2 = 1;
		newtrans1 = 0;
		clearTimeout(t);
		
		if(!timer_on_off)
		{
			timer_on_off = 1;
			t2=setTimeout("rotateBScr()", 6000);
		}
	}
	
}

function rotateBScr()
{
	showScr(current_scr+1);
	timer_on_off = 0;
}