function roll(img_name, img_src)
   {
   document[img_name].src = img_src;
   }
function big(lyr,sizeH,sizeW)
{
   document.getElementById(lyr).style.height='auto';
   document.getElementById(lyr).style.width='auto';
   document.getElementById(lyr).style.visibility = "visible";

}
function small(lyr)
{
    document.getElementById(lyr).style.visibility = "hidden";
}

function start(nb)
{
    document.getElementById('Layer1').style.visibility = "hidden";

}

function strSaveFunc(unitSave){

 var type=document.getElementById(unitSave).value
    if (type == 1){//ajouter dans le delete
       
			 if (document.getElementById('insert').value.indexOf(unitSave) != -1){
			    
			    var str = document.getElementById('insert').value;
					str = str.replace(unitSave+';',"");				
					document.getElementById('insert').value = str;
			 } 
			 
			 if(document.getElementById('delete').value.indexOf(unitSave) == -1)
         {
           document.getElementById('delete').value = document.getElementById('delete').value+unitSave+';';
         }
				 document.getElementById(unitSave).value="";
				 document.getElementById("td"+unitSave).style.color="black";    
		}

  else{
    if (document.getElementById('delete').value.indexOf(unitSave) != -1){
			    
			    var str = document.getElementById('delete').value;
					str = str.replace(unitSave+';',"");				
					document.getElementById('delete').value = str;
			 }
  
    if(document.getElementById('insert').value.indexOf(unitSave) == -1)
      {
        document.getElementById('insert').value = document.getElementById('insert').value+unitSave+';';
      }

      document.getElementById("td"+unitSave).style.color="red";
      document.getElementById(unitSave).value="1";
      
  }
  document.getElementById("td"+unitSave).blur();
}
function logout(){

 if (document.getElementById('delete').value != "" || document.getElementById('insert').value != ""){
     if(confirm("Do you want to logout without saving?"))
       location.replace('admin.php?action=logout');
  }  
 else{
     location.replace('admin.php?action=logout');
 }   
}
function changeyear(){

 if (document.getElementById('delete').value != "" || document.getElementById('insert').value != ""){
     if(confirm("Do you want to change year without saving?"))
         document.getElementById('cal').submit();
 }
 else{
         document.getElementById('cal').submit(); 
 }
}