writeIn funkcia?...

function fadeTo(){
   var q = document.getElementById('help');
   var MozOpacity = document.getElementByiD('MozOpacityValue');
   var MaxMozOpacity = 1;
   var MinMozOpacity = 0;
          MinMozOpacity < MozOpacity < MaxMozOpacity;
      if(MozOpacity > MaxMozOpacity){
  alert('Mozilla Opacity must be between 0 and 1');
     }
      if(MinMozOpacity > MozOpacity)
     {
  alert('Mozilla Opacity must be between 0 and 1');
    }
   var ExploreOpacity = document.getElementById('IEOpacity'); 
   var MaxIEOpacity = 100;
   var MinIEOpacity = 0;
      MinIEOpacity < IEOpacity < MaxIEOpacity;
  if(ExploreOpacity < MinIEOpacity){
   alert('MSIE opacity must be between 0 and 100');
}   
  if(ExploreOpacity > MaxIEOpacity)
{
   alert('MSIE opacity must be between 0 and 100');
} 
   var OperaOpacity = document.getElementById('OperaOpacity');
   var MaxOperaOpacity = 1;
   var MinOperaOpacity = 0;
      MinOperaOpacity < OperaOpacity < MaxOperaOpacity;
   if(OperaOpacity > MaxOperaOpacity)
{
   alert('Opera Opacity must be between 0 and 1');
}    
   if(OperaOpacity < MinOperaOpacity)
{
   alert('Opera Opacity must be between 0 and 1');
}
    var KHTMLOpacity = document.getElementById('KHTMLOpacity');
    var MaxKHTMLOpacity = 1;
    var MinKHTMLOpacity = 0;
     MinKHTMLOpacity < KHTMLOpacity < MaxKHTMLOpacity;
   if(KHTMLOpacity < MinKHTMLOpacity)
{
   alert('Safari opacity must be between 0 and 1');
}
   if(KHTMLOpacity > MaxKHTMLOpacity)
{
   alert('Safari opacity must be between 0 and 1');
}
  
 var ToStyle = stringObject.search("<style>"/i);
    
 document.open('prop.css');
 document.writeIn('filter: Alpha(opacity:'+ExploreOpacity+');');
 document.writeIn('-moz-opacity:'+MozOpacity+';');
 document.writeIn('-khtml-opacity:'+KHTMLOpacity+';');
 
}