function clear_textbox(){

if (document.addtocart.quantity.value != "")

document.addtocart.quantity.value = "";

}



function clear_line1text(){

if (document.addtocart.line1.value != "")

document.addtocart.line1.value = "";

}



function clear_line2text(){

if (document.addtocart.line2.value != "")

document.addtocart.line2.value = "";

}



function clear_line3text(){

if (document.addtocart.line3.value != "")

document.addtocart.line3.value = "";

}



function price(){

	

	var qty = document.addtocart.quantity.value;

	

	var price = 0.35;			

				

	if(qty >= 1 && qty <= 500){ price = 0.35; }

	else if(qty >= 501 && qty <= 1000){ price = 0.32; }

	else if(qty >= 1001 && qty <= 10000){ price = 0.25; }

	else if(qty >= 10001 && qty <= 40000){ price = 0.20; }

	

	document.getElementById('itemprice').innerHTML = "<span>$" +  price + "</span> each*";



}



function pricemex(){

	var qty = document.addtocart.quantity.value

	

	var price = 25;

	

	if(qty >= 1 && qty <= 50){ price = 25; }

	else if(qty >= 51 && qty <= 100){ price = 23; }

	else if(qty >= 101 && qty <= 500){ price = 19; }

	else if(qty >= 501 && qty <= 800){ price = 15; }

	

	document.getElementById('itemprice').innerHTML = "<span>$" +  price + "</span> each";

	

	}