// navigation

ssNav = new Array();
ssNav[0] = "covers.html"
ssNav[1] = "cover_itb.html";
ssNav[2] = "itb1.html";
ssNav[3] = "itb_whoops.html";
ssNav[4] = "itb_cant.html";
ssNav[5] = "itb_fat.html";
ssNav[6] = "itb_sizes.html";
ssNav[7] = "itb_inter.html";
ssNav[8] = "itb_average.html";
ssNav[9] = "itb_normal.html";
ssNav[10]= "cover_ski.html";
ssNav[11]= "ski1.html";
ssNav[12]= "ski_freedom.html";
ssNav[13]= "ski_health.html";
ssNav[14]= "ski_backlash.html";
ssNav[15]= "ski_fear.html";
ssNav[16]= "ski_media.html";
ssNav[17]= "ski_eternal.html";
ssNav[18]= "ski_learned.html";
ssNav[19]= "ski_control.html";
ssNav[20]= "ski_war.html";
ssNav[21]= "ski_femininity.html";
ssNav[22]= "ski_brain.html";
ssNav[23]= "ski_capitalism.html";
ssNav[24]= "ski_duty.html";
ssNav[25]= "cover_siz.html";
ssNav[26]= "siz1.html";
ssNav[27]= "siz_bmi.html";
ssNav[28]= "siz_waist.html";
ssNav[29]= "siz_weight.html";
ssNav[30]= "siz_bodyfat.html";
ssNav[31]= "siz_right.html";

var theNavArray = ssNav;

function nav(pos){
	var thisPos = parent.POS;
	switch(pos){
		case "+":
			thisPos +=1;
			break;
		case "-":
			thisPos -=1;
			break;			
		default:
			thisPos = pos;
	}
	parent.frames[1].location = theNavArray[thisPos];
	var mag=theNavArray[thisPos].substr(0,3);
	headCheck(mag);
	footCheck(thisPos);
	parent.POS = thisPos;
}

function headCheck(mag){
	var head="head.html";
	theLoc = parent.frames[0].document.URL;
	x = theLoc.lastIndexOf("\/")+1;
	curHead = theLoc.substr(x);
	prefix = mag+"_";
	switch(prefix){
		case "itb_":
			break;
		case "ski_":
			break;
		case "siz_":
			break;
		default:
			prefix="";
	}
	if(!(curHead == prefix+"head.html")){	
		parent.frames[0].location=prefix+"head.html";
	}
}

function footCheck(pos){
	theLoc = parent.frames[2].document.URL;
	x = theLoc.lastIndexOf("\/")+1;
	curFoot = theLoc.substr(x);
	if (pos > 0 && pos < theNavArray.length-1){
		foot = "foot_b.html";
	}else{
		if (pos == 0){
			foot = "foot_n.html";
		}else{
			foot = "foot_p.html";
		}
	}
	if (!(foot==curFoot)){
		parent.frames[2].location=foot;
	}
}