function setStyle(title) {

  var i, links;

  //Get All Link Element
  links = document.getElementsByTagName("link");
  
  for(i=0; links[i]; i++) {

    if(links[i].getAttribute("rel").indexOf("style") != -1  && links[i].getAttribute("title")) {

      // disable firstly
      links[i].disabled = true;

      if(links[i].getAttribute("title").indexOf(title) != -1) {
	        links[i].disabled = false;
	        
	        //save to cookie
	        //alert(document.cookie);
	        Set_Cookie("FONTSIZE", title, 30, null, null, null);
	  }
    }
  }
}


function Set_Cookie( name, value, expires, path, domain, secure )
{
	// set time, it's in milliseconds
	var today = new Date();
	today.setTime( today.getTime() );

	/*
	if the expires variable is set, make the correct
	expires time, the current script below will set
	it for x days, to make it for hours,
	delete * 24, for minutes, delete * 60 * 24
	*/
	if ( expires )
	{
		expires = expires * 1000 * 60 * 60 * 24;
	}
	var expires_date = new Date( today.getTime() + (expires) );

	document.cookie = name + "=" +escape( value ) +
		( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) +
		( ( path ) ? ";path=" + path : "" ) +
		( ( domain ) ? ";domain=" + domain : "" ) +
		( ( secure ) ? ";secure" : "" );

}

function Get_Cookie( check_name ) {
	// first we'll split this cookie up into name/value pairs
	// note: document.cookie only returns name=value, not the other components
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; // set boolean t/f default f

	for ( i = 0; i < a_all_cookies.length; i++ )
	{
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );


		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');

		// if the extracted name matches passed check_name
		if ( cookie_name == check_name )
		{
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if ( a_temp_cookie.length > 1 )
			{
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			// note that in cases where cookie is initialized but no value, null is returned
			return cookie_value;
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}
	if ( !b_cookie_found )
	{
		return null;
	}
}


function increaseSize() {
	if(CurrentFontStyleIndex < FontStyleArr.length -1) {
		CurrentFontStyleIndex++;
		setStyle(FontStyleArr[CurrentFontStyleIndex]);
	}
}

function decreaseSize() {
	if(CurrentFontStyleIndex >0) {	
		CurrentFontStyleIndex--;
		setStyle(FontStyleArr[CurrentFontStyleIndex]);
	}
}

function getFontStyleIndex(FontStyle) {
	var i;
	
	for(i=0; i<FontStyleArr.length; i++) {
		if(FontStyleArr[i] == FontStyle) return i;
	}	
	
	return -1;
}

// List all possible styles
var FontStyleArr = new Array("Style1", "Style2", "Style3", "Style4", "Style5")
var FontStyle = Get_Cookie( "FONTSIZE") + "";
//alert("FontStyle=" + FontStyle);
//Default to Style1
var CurrentFontStyleIndex = 0;

if(FontStyle != "") {

	c = getFontStyleIndex(FontStyle);

	if(c>0) {
		CurrentFontStyleIndex = c;
		FontStyle = FontStyleArr[c];
	}
}	

setStyle(FontStyleArr[CurrentFontStyleIndex]);