function calculate2(){
//CONCRETE INTER
	var ci5 = (document.postprices.amount.value * 7.50);
	var ci6 = (document.postprices.amount.value * 7.75);
	var ci7 = (document.postprices.amount.value * 8.00);
	var ci8 = (document.postprices.amount.value * 8.25);
	var ci89 = (document.postprices.amount.value * 9.75);
	var ci10 = (document.postprices.amount.value * 15.75);
//CONCRETE CORNERS
	var cc5 = (document.postprices.amount.value * 9.50);
	var cc6 = (document.postprices.amount.value * 9.75);
	var cc7 = (document.postprices.amount.value * 10.50);
	var cc8 = (document.postprices.amount.value * 11.00);
	var cc89 = (document.postprices.amount.value * 11.50);	
//CONCRETE ENDS
	var ce5 = (document.postprices.amount.value * 8.50);
	var ce6 = (document.postprices.amount.value * 9.00);
	var ce7 = (document.postprices.amount.value * 9.50);
	var ce8 = (document.postprices.amount.value * 9.75);
	var ce89 = (document.postprices.amount.value * 10.50);
	var ce10 = (document.postprices.amount.value * 18.00);
//CONCRETE 3WAY
	var c35 = (document.postprices.amount.value * 11.50);
	var c36 = (document.postprices.amount.value * 12.00);
	var c37 = (document.postprices.amount.value * 12.50);
	var c38 = (document.postprices.amount.value * 13.00);
	var c389 = (document.postprices.amount.value * 13.50);
//FORM FIELD VARIABLE
	var type = document.postprices.type.value;
	var size = document.postprices.size.value;
//IF STATEMENTS
	if (type == "ci" && size == "5"){
	document.postprices.total.value = ci5;
	}else if (type == "ci" && size == "6"){
	document.postprices.total.value = ci6;
	}else if (type == "ci" && size == "7"){
	document.postprices.total.value = ci7;
	}else if (type == "ci" && size == "8"){
	document.postprices.total.value = ci8;
	}else if (type == "ci" && size == "89"){
	document.postprices.total.value = ci89;
	}else if (type == "ci" && size == "10"){
	document.postprices.total.value = ci10;
	}else if (type == "cc" && size == "5"){
	document.postprices.total.value = cc5;
	}else if (type == "cc" && size == "6"){
	document.postprices.total.value = cc6;
	}else if (type == "cc" && size == "7"){
	document.postprices.total.value = cc7;
	}else if (type == "cc" && size == "8"){
	document.postprices.total.value = cc8;
	}else if (type == "cc" && size == "89"){
	document.postprices.total.value = cc89;
	}else if (type == "cc" && size == "10"){
	document.postprices.total.value = "10' Corner N/A";
	}else if (type == "ce" && size == "5"){
	document.postprices.total.value = ce5;
	}else if (type == "ce" && size == "6"){
	document.postprices.total.value = ce6;
	}else if (type == "ce" && size == "7"){
	document.postprices.total.value = ce7;
	}else if (type == "ce" && size == "8"){
	document.postprices.total.value = ce8;
	}else if (type == "ce" && size == "89"){
	document.postprices.total.value = ce89;
	}else if (type == "ce" && size == "10"){
	document.postprices.total.value = ce10;
	}else if (type == "c3" && size == "5"){
	document.postprices.total.value = c35;
	}else if (type == "c3" && size == "6"){
	document.postprices.total.value = c36;
	}else if (type == "c3" && size == "7"){
	document.postprices.total.value = c37;
	}else if (type == "c3" && size == "8"){
	document.postprices.total.value = c38;
	}else if (type == "c3" && size == "89"){
	document.postprices.total.value = c389;
	}else if (type == "c3" && size == "10"){
	document.postprices.total.value = "Sorry, 10' 3way N/A" ;
	}
	
}