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 "ALUMINUM":
		  
		    ao(s, "TR0207.5PRF-2 ROW 7'6\"-LONG; SEATS 10 - $383.99","TR0207.5PRF-2 ROW 7'6\"-LONG; SEATS 10", x++);
		  
		    ao(s, "TR0207.5STD-2 ROW 7'6\"-LONG; SEATS 10 - $347.99","TR0207.5STD-2 ROW 7'6\"-LONG; SEATS 10", x++);
		  
		    ao(s, "TR0209PRF-2 ROW 9'-LONG; SEATS 12 - $373.99","TR0209PRF-2 ROW 9'-LONG; SEATS 12", x++);
		  
		    ao(s, "TR0209STD-2 ROW 9'-LONG; SEATS 12 - $371.99","TR0209STD-2 ROW 9'-LONG; SEATS 12", x++);
		  
		    ao(s, "TR0212PRF-2-ROW 12'-LONG; SEATS 16 - $478.49","TR0212PRF-2-ROW 12'-LONG; SEATS 16", x++);
		  
		    ao(s, "TR0212STD-2 ROW 12'-LONG; SEATS 16 - $428.99","TR0212STD-2 ROW 12'-LONG; SEATS 16", x++);
		  
		    ao(s, "TR0215PRF-2 ROW 15'-LONG; SEATS 20 - $533.49","TR0215PRF-2 ROW 15'-LONG; SEATS 20", x++);
		  
		    ao(s, "TR0215STD-2 ROW 15'-LONG; SEATS 20 - $472.99","TR0215STD-2 ROW 15'-LONG; SEATS 20", x++);
		  
		    ao(s, "TR0221PRF-2 ROW 21'-LONG; SEATS 28 - $725.99","TR0221PRF-2 ROW 21'-LONG; SEATS 28", x++);
		  
		    ao(s, "TR0221STD-2 ROW 21'-LONG; SEATS 28 - $643.49","TR0221STD-2 ROW 21'-LONG; SEATS 28", x++);
		  
		    ao(s, "TR0224PRF-2 ROW 24'-LONG; SEATS 32 - $852.49","TR0224PRF-2 ROW 24'-LONG; SEATS 32", x++);
		  
		    ao(s, "TR0224STD-2 ROW 24'-LONG; SEATS 32 - $753.49","TR0224STD-2 ROW 24'-LONG; SEATS 32", x++);
		  
		    ao(s, "TR0307.5PRF-3 ROW 7'6\"-LONG;  SEATS 15 - $483.99","TR0307.5PRF-3 ROW 7'6\"-LONG;  SEATS 15", x++);
		  
		    ao(s, "TR0307.5STD-3 ROW 7'6\"-LONG; SEATS 15 - $417.99","TR0307.5STD-3 ROW 7'6\"-LONG; SEATS 15", x++);
		  
		    ao(s, "TR0309PRF-3 ROW 9'-LONG; SEATS 18 - $527.99","TR0309PRF-3 ROW 9'-LONG; SEATS 18", x++);
		  
		    ao(s, "TR0309STD-3 ROW 9'-LONG; SEATS 18 - $456.49","TR0309STD-3 ROW 9'-LONG; SEATS 18", x++);
		  
		    ao(s, "TR0312PRF-3 ROW 12'-LONG; SEATS 24 - $687.49","TR0312PRF-3 ROW 12'-LONG; SEATS 24", x++);
		  
		    ao(s, "TR0312STD-3 ROW 12'-LONG; SEATS 24 - $588.49","TR0312STD-3 ROW 12'-LONG; SEATS 24", x++);
		  
		    ao(s, "TR0315PRF-3-ROW 15'-LONG; SEATS 30 - $780.99","TR0315PRF-3-ROW 15'-LONG; SEATS 30", x++);
		  
		    ao(s, "TR0315STD-3 ROW 15'-LONG; SEATS 30 - $659.99","TR0315STD-3 ROW 15'-LONG; SEATS 30", x++);
		  
		    ao(s, "TR0321PRF-3 ROW 21'-LONG; SEATS 42 - $1066.99","TR0321PRF-3 ROW 21'-LONG; SEATS 42", x++);
		  
		    ao(s, "TR0321STD-3 ROW 21'-LONG; SEATS 42 - $896.49","TR0321STD-3 ROW 21'-LONG; SEATS 42", x++);
		  
		    ao(s, "TR0324PRF-3 ROW 24'-LONG; SEATS 48 - $1242.99","TR0324PRF-3 ROW 24'-LONG; SEATS 48", x++);
		  
		    ao(s, "TR0324STD-3 ROW 24'-LONG; SEATS 48 - $1050.49","TR0324STD-3 ROW 24'-LONG; SEATS 48", 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;