/// style switcher ///


function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
};

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
};

function eraseCookie(name) {
	createCookie(name,"",-1);
};

function changeStyle(el) {
	var cookie = readCookie('tflpstyle');
	var newStyle = null;
	if ((cookie==null || cookie == 'text') && el != null) {
		createCookie('tflpstyle','graphical',1);
		newStyle = 'graphical';
	//	alert('1')
	} else if (el != null) {
		createCookie('tflpstyle','text',1);	
		newStyle = 'text';
		//alert('2')
	} else if (cookie==null || cookie == 'graphical') {
		createCookie('tflpstyle','graphical',1);
		newStyle = 'graphical';
		//alert('3')
	} else {
		createCookie('tflpstyle','text',1);
		newStyle = 'text';
		//alert('4');
		//alert(cookie);
	}
	
	if (document.getElementsByTagName) {
		var links = document.getElementsByTagName('LINK');
		var styles = document.getElementsByTagName('STYLE');
	} else {
		var links = document.all.tags('link'); 
		var styles = document.all.tags('style');  
	}
		
		
	for (x=0;x<links.length;x++) {
		if (newStyle == 'text') {
			links[x].disabled = true;
			if (el!=null) {
				el.innerHTML = 'graphical version';
			}
		} else {
			links[x].disabled = false;
			if (el!=null) {
				el.innerHTML = 'text-only version';
			}
		}
	}
	  
	for (x=0;x<styles.length;x++) {
		if (newStyle == 'text') {
			styles[x].disabled = true;
		} else {
			styles[x].disabled = false;	
		}
	}
	
	/*if (newStyle == 'text') {
		SlideLayer1.show();
		SlideLayer2.show();
		SlideLayer3.show();
		SlideLayer4.show();
		SlideLayer5.show();
		SlideLayer6.show();		
	} else {
		SlideLayer1.hide();
		SlideLayer2.hide();
		SlideLayer3.hide();
		SlideLayer4.hide();
		SlideLayer5.hide();
		SlideLayer6.hide();	
	}*/
	
};



/// style switcher ends ///