function ao(c,txt,val,idx){
	c.options[idx] = new Option(txt,val);
}
function setSizes(c, s){
	var id;
	var x=0;
	var opt;
	if (!s || !c)
		return;
	if (c.selectedIndex < 1){
		clearSizes();
		return;
	}
	id = c.options[c.selectedIndex].value;
	s.options.length = 0;
	opt = new Option('Please select a size', '');
	s.options[x++] = opt;
	switch(id){
	
		
		    case "CLASSIC CAMO":
		  
		    ao(s, "YS = 20\"  INSEAM - 23\"","YS = 20\"  INSEAM - 23\"", x++);
		  
		    ao(s, "YM = 23\"  INSEAM - 26\"","YM = 23\"  INSEAM - 26\"", x++);
		  
		    ao(s, "YL = 26\"  INSEAM - 28.5\"","YL = 26\"  INSEAM - 28.5\"", x++);
		  
		    ao(s, "AS = 28\"  INSEAM - 31\"","AS = 28\"  INSEAM - 31\"", x++);
		  
		    ao(s, "AM = 29\"  INSEAM - 32\"","AM = 29\"  INSEAM - 32\"", x++);
		  
		    ao(s, "AL = 31\"  INSEAM - 32.5\"","AL = 31\"  INSEAM - 32.5\"", x++);
		  
		    ao(s, "AXL = 33\"  INSEAM - 33\"","AXL = 33\"  INSEAM - 33\"", x++);
		  
		    break;
		  
	  
	}
}

function initSizes (){
	var s, c, f=document.frmOrder;
	
	if ( !f )
		return;
			
	s = f.sizes;
	c = f.colors;
	if (!c || !s)
		return;
	if (c.selectedIndex > 0){
		setSizes(c, s);
	} else {		
		s.options.length = 0;
		var opt = new Option('Please select a color first', '');
		s.options[0] = opt;
	}
}
function clearSizes (){
	var s, c, f=document.frmOrder;
	
	if ( !f )
		return;
	
	s = f.sizes;
	c = f.colors;
	if (!c || !s)
		return;
	if (c.selectedIndex > 0)
		return;
	s.options.length = 0;
	var opt = new Option('Please select a color first', '');
	s.options[0] = opt;
}
window.onload = initSizes;