if (document.images)
    {
//      preload_image = new Image(180,36); 
//      preload_image.src="./img/bkg/bkg_leftmenu_over.gif"; 
	  
//      preload_image2 = new Image(180,36); 
//      preload_image2.src="./img/bkg/bkg_leftmenu.gif"; 	  
    }
  

function scbg(objRef, state) {
	
//	return;
	objRef.className =  (1 == state) ? 'LeftMenu_Over' : 'LeftMenu2';	
//	objRef.style.backgroundPosition = (1 == state) ? '0px 20px' : '0px 0px';		
///	objRef.background =  (1 == state) ? "bkg_leftmenu_over.gif" : "bkg_leftmenu.gif";		
	return;
}


function ElmHeight(elmID) {
	var elm = document.getElementById(elmID);
	
	if (elm==null) return 0;

	if (elm.clientHeight) return elm.clientHeight;
	else 
	if (elm.offsetHeight) return elm.offsetHeight;

}

function lukuc_onload () {
	var f = document.getElementById('iframe');
	if (f!=null) {
		
		h = ElmHeight('LeftColumn') - ElmHeight('HeaderDiv') - ElmHeight('FooterDiv') - 40;
		// 1050 z individual
		if (h>1050) f.style.height = h
	}


	// div wiecej... ustawia za tekstem dolnym
	var msg_m2 = document.getElementById('Msg_HeaderMiddle_Txt2');
	var more = document.getElementById('Msg_HeaderMiddle_More');
	var middle = document.getElementById('Msg_HeaderMiddle');	
	if (middle) middle.style.display = 'inline';	
		
	if (msg_m2!=null && more!=null) {
		var fleft = msg_m2.offsetLeft + msg_m2.offsetWidth + 13;
		more.style.left = fleft;
	}
}

window.onload = lukuc_onload;


function SwitchLogo( img, id, visible) {
	
	var middle = document.getElementById('Msg_HeaderMiddle');	
	
	for (a=1; a<=10; a++) {
		span = document.getElementById('Logos_'+a);	
		img = document.getElementById('Logo_'+a);			
		
		if (img == null) continue;
		
		if (visible==1 && a==id) {
			if (span!=null)	span.style.display = 'inline';
			setOpacity(img, 10);
		} else {
			if (span!=null)	span.style.display = 'none';
			setOpacity(img, 2.5);			
		}	
	}
	// 8 i 9 to flagi, dla flag nie ukrywaj glownego middle msg
	if (visible==1 && id<8) middle.style.display = 'none';	
		 			    else middle.style.display = 'inline';			
}


function setOpacity( obj, value) {
	obj.style.opacity = value/10;
	obj.style.filter = 'alpha(opacity=' + value*10 + ')';
}