pic1=0
pic2=0
pic3=0

function changeImg()
{		
	if (pic1<99){
		document.btn1.src= "Status_01_" + pic1 + ".jpg";
		document.btn2.src= "Status_02_" + pic2 + ".jpg";
		document.btn3.src= "Status_11_" + pic3 + ".jpg";
	}
}

//--------------------------------------------------------

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function handleEnter(field, event, next)
{
    var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
    
    if(keyCode == 13 || keyCode ==46) // key Enter or '.'
    {
        var i;
        for(i = 0; i < field.form.elements.length; i++)
        {
            if(field == field.form.elements[i])
            {
                break;
            }
        }
        
        if(next)
        {
            i = (i + 1) % field.form.elements.length;
            field.form.elements[i].select();
        }
        return false;
    }
    else
        return true;
}

function ip_range(node){
	var ip = parseInt(node.value, 10);
	
	if (ip > 255 || ip < 0){		
        alert('The Range is between 0 to 255');
        node.value = node.defaultValue;
        return false;
    }
    return true;
}

function ip_range4(node){
	var ip = parseInt(node.value, 10);

	if (ip > 254 || ip < 1){		
        alert('The Range is between 1 to 254');
        node.value = node.defaultValue;       
        return false;
    }
    return true;
}

function mask_range(node){
    var mask = parseInt(node.value, 10);
    if(!(mask==0 || mask==128 || mask==192 || mask==224 || mask==240 || mask==248 || mask==252 
            || mask==254 || mask==255)){
        alert("Invalid Subnet Mask value");
        node.value = node.defaultValue;
    }
}

function ShowWizard(name){
	window.open(name,"Wizard","width=450,height=370")
}

function check_hex(data){
	if (isNaN(data)){   // when data is between a ~ f or A ~ F
	    data = data.html
	    
	    if (data >= 'A' && data <= 'F'){
	        return 1;
	    }else{
	        return -1;
	    }		
	}else{
		return 1;
	}
}

function check_filter_mac(node){
	var data = node.html
	
	if (data.length == 0){
		node.value = "00";
	}else if (data.length == 1){
		if (check_hex(data) != -1){
			node.value = "0" + data.toUpperCase();
		}else{
			node.value = "00";
			alert("The legal characters of MAC must be 0~9, A~F, or a~f.");
		}
	}else if (node.value.length == 2){		
		if ((check_hex(data.substr(0,1)) != -1) && (check_hex(data.substr(1,1)) != -1)){
			node.value = data.toUpperCase();
		}else{
			node.value = "00";
			alert("The legal characters of MAC must be 0~9, A~F, or a~f.");
		}
	}
}

function ExitWizard(){
    if (confirm("Quit setup wizard and discard settings?")){
        window.close();
    }
}

function check_mac(mode, mac){  
    var result = true;
   
    if (mac.length < 12){
        if (mode){
            alert("The length of Remote Bridge MAC address must be 12 characters.");                   
        }else{
            alert("The length of Remote AP MAC address must be 12 characters."); 
        }
        result = false;
    }else{
        mac = mac.toUpperCase();
        for (i = 0; i < mac.length; i++){
			var temp = mac.substring(i, i+1);
			if ((temp >= "0" && temp <= "9") || (temp >= "A" && temp <= "F")){						
				continue;
			}else{
			    if (mode){
				    alert("the Remote Bridge MAC address is illegal, the legal characters are 0~9, A~F, or a~f.");													
				}else{
				    alert("the Remote AP MAC address is illegal, the legal characters are 0~9, A~F, or a~f.");
				}
				result = false;
				break;
			}
		}				
    }
    
    return result;
}