function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


function limit_image_size(imgId, max_width, max_height)
{
    imgCtrl = document.getElementById(imgId);
    if(imgCtrl) {
	    var img = new Image()
	    img.src = imgCtrl.src
	    
	    var new_width = img.width;
	    var new_height = img.height;
	    var resized = false;
	    if (new_width > max_width) 
	    {
		//resize the image:
		ratio = new_height / new_width;
		new_width = max_width;
		new_height = new_width * ratio;    	
		resized = true;
	    }	
	    if (new_height > max_height) 
	    {
		new_height = max_height;
		new_width = new_height / ratio;    		
		resized = true;
	    }
	
	    if (resized == true)    
	    {
	        imgCtrl.width = new_width;
	        imgCtrl.height = new_height;    
	    }
    }
}

function check_form(id_form){
	var check = true;
	var value = document.getElementById('nr_buc').value;
	
	if (value == "" || value == "0"){
		alert('Cantitate invalida!');		
	}else{	
		for(var i=0;i < value.length; ++i){
			var new_key = value.charAt(i); //cycle through characters
			if(((new_key < "0") || (new_key > "9")) && !(new_key == "")){
			    check = false;
			 	break;
			}
		}
		
		if (!check){
			alert('Cantitate invalida!');
		}else{
			document.getElementById(id_form).submit();
		}
	}
}

function show_tabs(div){
	if (div == "descr"){
		document.getElementById('descr').style.display = 'inline';
//		document.getElementById('tab1').className = 'selected';
		document.getElementById('specs').style.display = 'none';
//		document.getElementById('tab2').className = 'nselected';
	}else if (div == "specs"){
		document.getElementById('descr').style.display = 'none';
//		document.getElementById('tab1').className = 'nselected';
		document.getElementById('specs').style.display = 'inline';
//		document.getElementById('tab2').className = 'selected';
	}else if (div == "others"){
		document.getElementById('others').style.display = 'inline';
//		document.getElementById('tab3').className = 'selected';
		document.getElementById('similar').style.display = 'none';
//		document.getElementById('tab4').className = 'nselected';
		document.getElementById('acces').style.display = 'none';
//		document.getElementById('tab5').className = 'nselected';
	}else if (div == "similar"){
		document.getElementById('others').style.display = 'none';
//		document.getElementById('tab3').className = 'nselected';
		document.getElementById('similar').style.display = 'inline';
//		document.getElementById('tab4').className = 'selected';
		document.getElementById('acces').style.display = 'none';
//		document.getElementById('tab5').className = 'nselected';
	}else if (div == "acces"){
		document.getElementById('others').style.display = 'none';
//		document.getElementById('tab3').className = 'nselected';
		document.getElementById('similar').style.display = 'none';
//		document.getElementById('tab4').className = 'nselected';
		document.getElementById('acces').style.display = 'inline';
//		document.getElementById('tab5').className = 'selected';
	}
}