//simple Java-Scripts

//aendere ein Navigationsbild, je nach Status
function flip(int_y,bool_flip)
{
    var int_x = int_y;
    var tmp = int_y;
    var string_src = "";
   
    if(bool_flip)
    {
        string_src = '../Energie/img/nav'+int_x+'flip.gif';
    }
    else 
    {
        string_src ='../Energie/img/nav'+int_x+'.gif';
    }
    if(i != int_x)
    {
       document.getElementById('nav'+int_x).src= string_src;  
    }
}


function flipErg(int_y,bool_flip)
{
    var int_x = int_y;
    var tmp = int_y;
    var string_src = "";
   
    if(bool_flip)
    {
        string_src = '../Energie/img/nav'+int_x+'flip.gif';
    }
    else 
    {
        string_src ='../Energie/img/nav'+int_x+'.gif';
    }
    document.getElementById('nav'+int_x).src= '../'+string_src;
}



//setzt den Text des Tarifrechners 
function switchTo (int_x)
{  
    switch (int_x) 
    {       //Strom
            case 1: 
            {   
                document.getElementById('t1').innerHTML='Single-Haushalt';
                document.getElementById('t2').innerHTML='2-Personen-Haushalt';
                document.getElementById('t3').innerHTML='4-Personen-Haushalt';
                break;
            }
            //Gas
            case 2:
            {   document.getElementById('t1').innerHTML='Kochgas';
                document.getElementById('t2').innerHTML='Wohnung';
                document.getElementById('t3').innerHTML='Einfamilenhaus';
                break;
            }        
     }    
          document.getElementById('kw').value='kwh/Jahr';    
}

//setzt Werte fuer den Strom und Gas-Tarifrechner      
function setVal(int_x)
{
    var int_val;
    //Strom
    if(document.getElementById('stromSwitch').checked)
    {
         switch (int_x) 
         {
                case 1: { int_val='1500';break;}
                case 2: { int_val='2500';break;}
                case 3: { int_val='4000';break;}
         }    
         document.getElementById('kw').value=int_val;
    }
    //Gas sonst  
    else
    {
          switch (int_x) 
          {
                case 1: { int_val='1000';break;}
                case 2: { int_val='7000';break;}
                case 3: { int_val='28000';break;}
          }    
          document.getElementById('kw').value=int_val;
     }     
}

//setz ein Textfeld auf einen leeren String
function clearText()
{
   document.getElementById('kw').value = "";
}