i_home = new Image;	 i_home.src = "images/home.gif"
i_home_over = new Image; i_home_over.src = "images/homeOn.gif"
i_mail = new Image;      i_mail.src = "images/mail.gif"
i_mail_over = new Image; i_mail_over.src = "images/mailOn.gif"
i_cont = new Image;      i_cont.src = "images/contact.gif"
i_cont_over = new Image; i_cont_over.src = "images/contactOn.gif"
i_en = new Image;        i_en.src = "images/en.gif"
i_en_over = new Image;   i_en_over.src = "images/enOn.gif"
i_bg = new Image;        i_bg.src = "images/bg.gif"
i_bg_over = new Image;   i_bg_over.src = "images/bgOn.gif"


function swapImg(objName, img, img_over, direct){
   var Obj = document.getElementById(objName)
   if (!Obj) return
   
   var iObj = eval(img), iObj_over = eval(img_over)
   if (typeof(iObj)=='undefined' || typeof(iObj_over)=='undefined') return
   
   if (direct==1 && Obj.src == iObj_over.src){
      Obj.blocked = true
      return
   }
   
   if (Obj.blocked) return
   
   Obj.src = direct==1 ? iObj_over.src : iObj.src
}

var Obj = document.getElementById("ihome")
if (Obj){
   Obj.onmouseover = function(){ if (typeof(swapImg) == 'function') swapImg("ihome", "i_home", "i_home_over", 1) }
   Obj.onmouseout = function(){ if (typeof(swapImg) == 'function') swapImg("ihome", "i_home", "i_home_over", 2) }
}

var Obj = document.getElementById("imail")
if (Obj){
   Obj.onmouseover = function(){ if (typeof(swapImg) == 'function') swapImg("imail", "i_mail", "i_mail_over", 1) }
   Obj.onmouseout = function(){ if (typeof(swapImg) == 'function') swapImg("imail", "i_mail", "i_mail_over", 2) }
}

var Obj = document.getElementById("icont")
if (Obj){
   Obj.onmouseover = function(){ if (typeof(swapImg) == 'function') swapImg("icont", "i_cont", "i_cont_over", 1) } 
   Obj.onmouseout = function(){ if (typeof(swapImg) == 'function') swapImg("icont", "i_cont", "i_cont_over", 2) }
}