function add2cart(PN, func, psi){ 
 
 if (func == "SR") { 
 	var func = "Spring return";
    document.codeform.imgsrc.value="/P-pneumatic-actuators/models/OS.jpg";
 }
 if (func == "DA") { 
 	var func = "Double acting";
    document.codeform.imgsrc.value="/P-pneumatic-actuators/models/OD.jpg";
 }
 
	document.codeform.id.value = PN;
	document.codeform.weight.value = eval(PN+".weight");
	document.codeform.price.value = eval(PN+".price");

	    var infotext = "<b> Design: </b>"+func+" dual scotch yoke<br>";

     if (func == "Spring return") {
     	 infotext += "<b> Spring Caps: </b>for use with "+psi+"psi supply air<br>";
     }   
	    if (func == "Spring return") {
         infotext += "<b> Output Torque: </b>"+eval(PN+".torque")+"<br>";
        } else {
         infotext += "<b> Output Torque (80 psi air): </b>"+eval(PN+".torque80")+"<br>";
         infotext += "<b> Output Torque (60 psi air): </b>"+eval(PN+".torque60")+"<br>";
        }
      
         infotext += "<b> ISO 5211 Direct Mount: </b>"+eval(PN+".ISO")+"<br>"+
                       "<b> Female Drive Shaft: </b>"+eval(PN+".stem")+" mm<br>"
					   ;
     if (func == "Spring return") {
     	 infotext += "<b> Fail Position: </b>closed<br>";
     }   
	document.codeform.info.value = infotext;

	document.codeform.submit('add');
}