var bilde = 0;

		function vis() {
			document.getElementById("txt").value="bilde nr: "+bilde;
			//crossfade(document.getElementById("slide"), ixf.imgs[bilde],2, " ");
			bilde += 1;
			if (bilde >= 3) bilde = 0;
			var t = setTimeout("vis();",3000);
		}
		function slide_div(verdi) {
		  document.getElementById("tekst").style.left = verdi+"px";
		}

		function change(side) {
			document.title = "Familietur: "+side;
			if (old) setOpacity(old,0);
			old = ny;
			ny = document.getElementById(side);
			//alert("hva skjer med "+side+" .. "+ny);
			//ny.style.left='100px';
			//ny.style.opacity = 1;
			//old.style.left='0';
			//old.style.opacity = 0;
			old.style.zIndex = 0;
			ny.style.zIndex = 100;
			//if (old != ny)
				t = setTimeout("textfader(0)",50);
		}
		
		function setOpacity(obj, opacity) {
				if (obj.style) {
					if (obj.style.MozOpacity!=null) {  
						/* Mozilla's pre-CSS3 proprietary rule */
						//obj.style.MozOpacity = (opacity/100) - .001;
						//old.style.MozOpacity = 1-opacity/100;
						obj.style.MozOpacity = opacity/100;
					} else if (obj.style.opacity!=null) {
						/* CSS3 compatible */
						//old.style.opacity = 1-opacity/100;
						obj.style.opacity = opacity/100;
					} else if (ny.style.filter!=null) {
						/* IE's proprietary filter */
						//obj.style.filter = "alpha(opacity="+opacity+")";
						//old.style.filter = "alpha(opacity="+(100-opacity)+")";
						obj.style.filter = "alpha(opacity="+opacity+")";
					}
				}
		}
		function textfader(opacity) {
		    //document.getElementById('test').value = ny;
			//alert("hva skjer med gjennomskitigheten "+opacity);
			if (opacity <= 100) {
				setOpacity(old,100-opacity);
				setOpacity(ny,opacity);
				opacity += 10;
				t = setTimeout("textfader("+opacity+")",50);
			}
				
		}
		window.onload = function () {
		//	preInit();
		//	oppstart();
		old = ny = document.getElementById('dummy');
		start();

		}
		
		function start() {
			ny = document.getElementById('tekst');
			fade_inn('0');
		}
		var ny_side;
		function slutt(side) {
			ny_side = side
			ny = document.getElementById('tekst');
			fade_ut(100);
		}
		
		function fade_ut(opacity) {
			if (opacity < 0) {
				document.location.href = "?"+ny_side;
			} else {
				ny.style.MozOpacity = opacity/100;
				ny.style.opacity = opacity/100;
				ny.style.filter = "alpha(opacity="+opacity+")";
				opacity -= 10;
				t = setTimeout("fade_ut("+opacity+")",100);
			}
		}

		function fade_inn(opacity) {
			if (opacity > 100) {
			} else {
				ny.style.MozOpacity = opacity/100;
				ny.style.opacity = opacity/100;
				ny.style.filter = "alpha(opacity="+opacity+")";
				opacity += 10;
				t = setTimeout("fade_inn("+opacity+")",100);
			}
		}

		//addEvent(window, 'load', oppstart);
		
		function hvablirprisen(val) 
		{
			var sum = 0;
			for (i=1;i<10;i++) {
			var alder = document.getElementById('alder'+i).value;
			var pris = (alder.value);
			if (alder <3) pris = "gratis";
			else if (alder <6) pris = 580;
			else if (alder <13) pris = 880;
			else pris = 980;
			if (document.getElementById('navn'+i).value != "")
			document.getElementById('pris'+i).value = pris;
				//var tmp = document.getElementById("pris"+i).value;
				var value = parseInt(pris);
				if (!isNaN(value))
				sum += value;
			}
			document.getElementById("sum").value = sum;
		}

		function validate() {
		  //alert("har du husket alle punktene?");
		}