var fontsize = 1;
var activeDirection;

function metaResize(direction){
	document.getElementById('meta_resize_minus').src = 'fileadmin/templates/images/resize_minus.jpg';
	document.getElementById('meta_resize_reset').src = 'fileadmin/templates/images/resize_reset.jpg';
	document.getElementById('meta_resize_plus').src = 'fileadmin/templates/images/resize_plus.jpg';
	switch(direction){
		case "minus":
			if (fontsize <= 0.7) {
			 return;
			}
			fontsize = fontsize - 0.1;
			break;
		case "plus":
			if (fontsize > 1.7) {
			 return;
			}
			fontsize = fontsize + 0.1;
			break;
		case "reset":
			fontsize = 1;
			break;
	}
	document.getElementsByTagName('body')[0].style.fontSize = fontsize + 'em';
	document.getElementById('meta_resize_'+direction).src = 'fileadmin/templates/images/resize_'+direction+'_hover.jpg';
	activeDirection = direction;
}

function metaResizeHover(direction, status){	
	document.getElementById('meta_resize_minus').src = 'fileadmin/templates/images/resize_minus.jpg';
	document.getElementById('meta_resize_reset').src = 'fileadmin/templates/images/resize_reset.jpg';
	document.getElementById('meta_resize_plus').src = 'fileadmin/templates/images/resize_plus.jpg';
	if(activeDirection){
		document.getElementById('meta_resize_'+activeDirection).src = 'fileadmin/templates/images/resize_'+activeDirection+'_hover.jpg';
	}
	if(status == 'hover'){
		document.getElementById('meta_resize_'+direction).src = 'fileadmin/templates/images/resize_'+direction+'_hover.jpg';
	}
}