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 "Galvanized Steel Pipe Legs/Aluminum Plank":
		  
		    ao(s, "12 FT - BEPD12 - $191.99","12 FT - BEPD12", x++);
		  
		    ao(s, "15 FT - BEPD15 - $209.99","15 FT - BEPD15", x++);
		  
		    ao(s, "21 FT - BEPD21 - $269.99","21 FT - BEPD21", x++);
		  
		    ao(s, "24 FT - BEPD24 - $311.99","24 FT - BEPD24", x++);
		  
		    ao(s, "6 FT - BEPD06 - $137.99","6 FT - BEPD06", x++);
		  
		    ao(s, "8 FT - BEPD08 - $143.99","8 FT - BEPD08", x++);
		  
		    break;
		  
	  
		
		    case "All Aluminum Legs & Plank":
		  
		    ao(s, "12 FT - BEDD12 - $155.99","12 FT - BEDD12", x++);
		  
		    ao(s, "15 FT - BEDD15 - $173.99","15 FT - BEDD15", x++);
		  
		    ao(s, "21 FT - BEDD21 - $221.99","21 FT - BEDD21", x++);
		  
		    ao(s, "24 FT - BEDD24 - $251.99","24 FT - BEDD24", x++);
		  
		    ao(s, "6 FT - BEDD06 - $107.99","6 FT - BEDD06", x++);
		  
		    ao(s, "8 FT - BEDD08 - $119.99","8 FT - BEDD08", 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;