function changeIMG(id_normal,id_hover) {
	document.getElementById(id_normal).style.display="none";
	document.getElementById(id_hover).style.display="block";
}


function setFontSize(DisplayFontSize) { 

	setCookie('FontSize',DisplayFontSize,365);
  
  switch(DisplayFontSize)
  {
    case 'big' :
    {
        FontSize        = "16px";
        LineHeight      = "24px";
        InputLineHeight = "18px";
        Html            = "<a href=\"#\" title=\"Normaal lettertype\" onclick=\"setFontSize('normal'); \" class=\"font\"  onmouseover=\"changeIMG('min_img', 'min_hover');\" onmouseout=\"changeIMG('min_hover', 'min_img');\"><img id=\"min_img\" src=\"/pics/icon_fontsize-1.gif\" alt=\"Normaal lettertype\" /><img id=\"min_hover\" src=\"/pics/icon_fontsize-1-over.gif\" alt=\"Normaal lettertype\" style=\"display:none;\" /></a>";
    }
    break;
    
    default :
    {
    	var FontSize        = "12px";
		  var LineHeight      = "20px";
		  var InputLineHeight = "16px";
		  var Html            = "<a href=\"#\" title=\"Groter lettertype\" onclick=\"setFontSize('big'); \" class=\"font\"  onmouseover=\"changeIMG('plus_img', 'plus_hover');\" onmouseout=\"changeIMG('plus_hover', 'plus_img');\"><img id=\"plus_img\" src=\"/pics/icon_fontsize1.gif\" alt=\"Groter lettertype\" /><img id=\"plus_hover\" src=\"/pics/icon_fontsize1-over.gif\" alt=\"Groter lettertype\" style=\"display:none;\" /></a>";	
    }
    break;
  }
  
  oDiv = document.getElementById('tekstvergroot');
  if(oDiv != null) {
    oDiv.style.fontSize   = FontSize;
    oDiv.style.lineHeight = LineHeight;
  }
  
  oDiv = document.getElementById('tekstvergroot1');
  if(oDiv != null) {
    oDiv.style.fontSize   = FontSize;
    oDiv.style.lineHeight = LineHeight;
  }
  
  oDiv = document.getElementById('tekstvergroot2');
  if(oDiv != null) {
  	var AnchorTags = oDiv.getElementsByTagName('a');
  	
  	for(i=0; i < AnchorTags.length; i++) {
  		AnchorTags[i].style.fontSize   = FontSize;
    	/*AnchorTags[i].style.lineHeight = LineHeight;*/	
  	}
  }
 
  oDiv = document.getElementById('fontsize');
  if(oDiv != null) {
    oDiv.innerHTML = Html;
  }       
  
    
}