/*

Cookie handlers

*/

function getCookie( name ) {

	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ) {
	               return null;
		}

	if ( start == -1 ) return null;
	var end = document.cookie.indexOf( ';', len );
	if ( end == -1 ) end = document.cookie.length;
	return unescape( document.cookie.substring( len, end ) );
}

 

function setCookie( name, value, expires, path, domain, secure ) {
	var today = new Date();
	today.setTime( today.getTime() );
	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() : '' ) + //expires.toGMTString()
		( ( path ) ? ';path=' + path : '' ) +
		( ( domain ) ? ';domain=' + domain : '' ) +
		( ( secure ) ? ';secure' : '' );
}


function deleteCookie( name, path, domain ) {
	if ( getCookie( name ) ) document.cookie = name + '=' +
		               ( ( path ) ? ';path=' + path : '') +
		               ( ( domain ) ? ';domain=' + domain : '' ) +
		               ';expires=Thu, 01-Jan-1970 00:00:01 GMT';
}
 

/*
Font size change function
*/

function enlarge_font(oFontSizeButton)
{

	var currentSize = '';
	var newSize = '';         

	if(document.defaultView && document.defaultView.getComputedStyle){
        currentSize = document.defaultView.getComputedStyle(document.body, '').getPropertyValue('font-size');
    }

    else if(document.body.currentStyle){
        currentSize = document.body.currentStyle.fontSize;
	}

               
	if (currentSize.length > 0)
	{
	               if (currentSize.indexOf('px') > -1)
	               {
		               currentSize = currentSize.substr(0, currentSize.length - 2);
		               currentSize = '' + parseInt(currentSize,10) / 0.16;
								}

	               else if (currentSize.indexOf('%') > -1)
	               {
		               currentSize = currentSize.substr(0, currentSize.length - 1);
	               }

	              

	               switch (currentSize)
	               {
		               case '62.5':
			               newSize = '75%';
			//               oFontSizeButton.className = 'font smaller';
			               break;
															   
												case '75':
			               newSize = '100%';
			//               oFontSizeButton.className = 'font smaller';
			               break;
		               default:
			               newSize = '62.5%';
		               //	oFontSizeButton.className = 'font larger';
	               }

	              

	               setCookie('fontsize', newSize + ';' , 30);	              
	               document.body.style.fontSize = newSize;
	}
}

 

function readFontSizeSetting() {
	var fontsizeFromCookie = getCookie('fontsize');
	if (fontsizeFromCookie != null)
	{
	               var aFontSizeData = fontsizeFromCookie.split(';');
	               if (aFontSizeData.length == 3)
	               {

		               document.body.style.fontSize = aFontSizeData[0];
		               var oFontSizeButton = document.getElementById(aFontSizeData[1]);
		               if (oFontSizeButton != null)
		               {
			               oFontSizeButton.className = aFontSizeData[2];
		               }
	               }
	}
}

 

function window_onload() {
	readFontSizeSetting();
}


window.onload = window_onload;

 function mailpage()
	{
	mail_str = "mailto:?subject= " + document.title;
	mail_str += "&body=  " + document.title;
	mail_str += ". " + location.href;
	location.href = mail_str;
	}