function imgMouseEvent(object) {
	var dots = object.src.split(".")
	//alert(event.type)
	if (dots.length > 1 ) {
		var re = /\_on/gi; 
		if (!re.test(dots[dots.length-2])) {
			dots[dots.length-2]=dots[dots.length-2]+'_on'
		} else {
			dots[dots.length-2]=dots[dots.length-2].replace(re,"")
		}
		if (object.selected==null) object.src = dots.join(".")
	}
}


function setStyle(index) {		
	
	//change the disablement of the stylesheets
	for (i=1; i<document.styleSheets.length; i++) {
		if (index==(i-1)) {
			document.styleSheets[i].disabled=false
			//set the cookie to remember choice
			var dt = new Date();
			dt.setFullYear(dt.getFullYear()+3);		
			document.cookie = 'stylesheet=' + escape(document.styleSheets[i].href) + ';path=/;expires=' + dt.toGMTString();	
		} else {
			document.styleSheets[i].disabled=true
		}
	}
	//change the images
	for (var i=0;i<document.images("textsize").length;i++) {
		var img = document.images("textsize", i)
		var dots = img.src.split(".") 
		var re = /\_on/gi;
		dots[dots.length-2]=dots[dots.length-2].replace(/\_on/gi,"")
		if (i==index) {
			img.selected = true
			dots[dots.length-2]=dots[dots.length-2]+'_on'
		} else {
			img.selected = null
		}
		img.src = dots.join(".")
	}
}