function changeFontSize(size){
	if(size=='normal') {
		changeStyle('90%');
		changeclass('txtsmall', 'normal','','remove');
		changeclass('txtnormal', 'large','','add');
		changeclass('txtlarge', 'larger','','add');
		submitAjax('normal');
		return;
	}
	if(size=='large') {
		changeStyle('100%');
		changeclass('txtsmall', 'normal','','add');
		changeclass('txtnormal', 'large','','remove');
		changeclass('txtlarge', 'larger','','add');
		submitAjax('large');
		return;
	}
	if(size=='larger') {
		changeStyle('110%');
		changeclass('txtsmall', 'normal','','add');
		changeclass('txtnormal', 'large','','add');		
		changeclass('txtlarge', 'larger','','remove');
		submitAjax('larger');
		return;
	}
}
function changeStyle(percentage){
	document.getElementById("for_men_body").style.fontSize =  percentage;
}

function changeclass(componentid, componentname, selected, method){
	if(method=='remove') {
		document.getElementById(componentid).removeAttribute("href");	
		document.getElementById(componentid).className=componentname+'_selected';		

	} else {

		document.getElementById(componentid).setAttribute('href',"javascript:changeFontSize('"+componentname+"');");
		document.getElementById(componentid).className=componentname;
	}
}

function getPosObject(obj) {
	var  y = obj.offsetTop;
	var  x = obj.offsetLeft;
	var pare = obj.offsetParent;
	while(pare!=null){
		y += pare.offsetTop;
		x += pare.offsetLeft;
		pare=pare.offsetParent;
	}
	var offsetObject = new Object();
	offsetObject.x = x;
	offsetObject.y = y;
	return offsetObject;
}

function submitform(formname)
{
  var form = document.getElementById(formname);
  form.submit();
}

function getAjax(){
  var ajax = false;
  try{
    ajax = new ActiveXObject("Msxml2.XMLHTTP");
  }
  catch(e){
    try{
      ajax = new ActiveXObject("Microsoft.XMLHTTP");
    }
    catch(e1){
      ajax = false;
    }
  }
  if(!ajax && typeof XMLHttpRequest != 'undefined'){
    ajax = new XMLHttpRequest();
  } 
  return ajax;
}

function submitAjax( textsize ){
  var ajax = getAjax();
  var parameters = "textsize="+textsize;
  ajax.open("POST", "/textsize.jhtml", true);
  ajax.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
  ajax.setRequestHeader("Content-Length",parameters.length);
  
  ajax.onreadystatechange = function(){
    if(ajax.readyState == 4){
      var data = ajax.responseText;
	 
    }
  };

  ajax.send(parameters);
}

function swapImage(ID, image){
	document.getElementById(ID).src=image;
}