//var roadRollOversI = new Image;
//var roadRollOvers = new Array('images/charts/mtn_one.gif','images/charts/mtn_two.gif','images/charts/mtn_three.gif','images/charts/mtn_four.gif','images/charts/mtn_five.gif','images/charts/mtn_six.gif','images/charts/mtn_seven.gif','images/charts/mtn_eight.gif','images/charts/mtn_nine.gif','images/charts/mtn_ten.gif')
//for(var r=0;r<roadRollOvers.length;r++){
//	roadRollOversI.src = roadRollOvers[i];
//}

function swapBikeImage(el){
	// Array(ThumbnailImage, UseChart, OrigBGImage, NewBGImage, Array(Materials),weightChartNumber)
 var imx_sl = new Array('images/mountain/imx_sl_sm.jpg','one',Array('materials_tc'),1); 
 var sola_slx = new Array('images/mountain/sola_slx_sm.jpg','two',Array('materials_t'),2);
 var sola_sl = new Array('images/mountain/sola_sl_sm.jpg','three',Array('materials_t'),3);
 var sola_s = new Array('images/mountain/sola_s_sm.jpg','four',Array('materials_t'),4);
 var zeal_slx = new Array('images/mountain/zeal_slx_sm.jpg','five',Array('materials_s'),5);
 var imx_29_sl = new Array('images/mountain/imx_29_sl_sm.jpg','six',Array('materials_tc'),6);
 var sola_29_slx = new Array('images/mountain/sola_29_slx_sm.jpg','seven',Array('materials_t'),7);
 var sola_29_sl = new Array('images/mountain/sola_29_sl_sm.jpg','eight',Array('materials_t'),8);
 var sola_29_s = new Array('images/mountain/sola_29_s_sm.jpg','nine',Array('materials_t'),9);
 var zeal_29_slx = new Array('images/mountain/zeal_29_slx_sm.jpg','ten',Array('materials_s'),10);

 var mnu = new Array('imx_sl','sola_slx','sola_sl','sola_s','zeal_slx','imx_29_sl','sola_29_slx','sola_29_sl','sola_29_s','zeal_29_slx');

 var i=0;

 for( i=0;i<mnu.length;i++){

         getElement(mnu[i]).className = eval(mnu[i]+"[1]");
         if (i+1==eval(el+"[3]")) {
            getElement("weight"+ (i+1) ).src = "images/charts/mountainweight/"+ (i+1) +"on.gif";
         } else {
            getElement("weight"+ (i+1) ).src = "images/charts/mountainweight/"+ (i+1) +"off.gif";
         }

  }

 var bikeEl = getElement('bike_sm');
	 bikeEl.src = eval(el+"[0]");

	 getElement(el).className = eval(el+"[1]+\"active\"");
	 

	 resetMaterials();

 var materials = eval(el+"[2]");
	for( i=0;i<materials.length;i++){
		var tmpEl = getElement(materials[i]);
		tmpEl.style.color='#206d31';
		tmpEl.style.fontWeight='bold';
	}
	
	getElement('chart').src = eval("\"images/charts/mountain_\"+"+el+"[1]+\".gif\"");

}

	function resetMaterials(){
		var materials = new Array('materials_tc','materials_t','materials_s');
		for(var i=0;i<materials.length;i++){
			getElement(materials[i]).style.color='#CCCCCC';
			getElement(materials[i]).style.fontWeight="normal";
		}
		return true;
	}