var tgs=new Array('div','td','tr');
//var szs=new Array('small','medium');
var szs=new Array('10px','14px');
var startSz=0;

// extra code added to footer
function ts(trgt,inc) { 
		if(!document.getElementById)return
		var d=document,cEl=null,sz=startSz,i,j,cTags;sz+=inc;
		if(sz<0)sz=0;

		if(sz>szs.length-1)sz=szs.length-1;
		startSz=sz;
		if (startSz == 0) {
			// user just decreased font size
			document.getElementById('btnDecrease').setAttribute('className','activeSmall');
			document.getElementById('btnIncrease').setAttribute('className','large');
			document.getElementById('btnDecrease').setAttribute('class','activeSmall');
			document.getElementById('btnIncrease').setAttribute('class','large');
			document.getElementById('tsDown').src = '/wp-content/themes/sosc/images/bg-text-siae-a2.gif';
			document.getElementById('tsUp').src = '/wp-content/themes/sosc/images/bg-text-siae-a2.gif';			
			Set_Cookie("textSize",0,365,'/');		
		} else {  
			//user just increased font size
			document.getElementById('tsDown').src = '/wp-content/themes/sosc/images/bg-text-siae-a.gif';
			document.getElementById('tsUp').src = '/wp-content/themes/sosc/images/bg-text-siae.gif';						
			document.getElementById('btnDecrease').setAttribute('className','small');
			document.getElementById('btnIncrease').setAttribute('className','activeLarge');
			document.getElementById('btnDecrease').setAttribute('class','small');
			document.getElementById('btnIncrease').setAttribute('class','activeLarge');
			Set_Cookie("textSize",1,365,'/'); 
		}				
	
		if(!(cEl=d.getElementById(trgt)))cEl=d.getElementsByTagName(trgt)[0];
		cEl.style.fontSize=szs[sz];
		for(i=0;i<tgs.length;i++){
				cTags=cEl.getElementsByTagName(tgs[i]);
				for(j=0;j<cTags.length;j++)cTags[j].style.fontSize=szs[sz];}
}

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 number of 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="+"/":"/");
	// +
	//( ( domain ) ? ";domain=" + domain : "" ) +
	//( ( secure ) ? ";secure" : "" );
}
	
				
// this fixes an issue with the old method, ambiguous values
// with this test document.cookie.indexOf( name + "=" );
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;
	}
}