// Date Javascript

function doDate(){ // By - www.starsnsites.com
  var t=new Date(),a=doDate.arguments,str="",i,a1,lang="1";
  var month=new Array('January','Jan', 'February','Feb', 'March','Mar', 'April','Apr', 'May','May', 'June','Jun', 'July','Jul', 'August','Aug', 'September','Sep', 'October','Oct', 'November','Nov', 'December','Dec');
  var tday= new Array('Sunday','Sun','Monday','Mon', 'Tuesday','Tue', 'Wednesday','Wed','Thursday','Thr','Friday','Fri','Saturday','Sat');
  for(i=0;i<a.length;i++) {a1=a[i].charAt(1);switch (a[i].charAt(0)) {
  case "M":if  ((Number(a1)==3) && ((t.getMonth()+1)<10)) str+="0";
  str+=(Number(a1)>1)?t.getMonth()+1:month[t.getMonth()*2+Number(a1)];break;
  case "D": if ((Number(a1)==1) && (t.getDate()<10)) str+="0";str+=t.getDate();break;
  case "Y": str+=(a1=='0')?t.getFullYear():t.getFullYear().toString().substring(2);break;
  case "W":str+=tday[t.getDay()*2+Number(a1)];break; default: str+=unescape(a[i]);}}return str;
}

function datehere()	{
	document.write(doDate("W0",",%20","M0","%20","D0",",%20","Y0"));
//	document.write("&nbsp;&nbsp;&nbsp;"); 
}

<!--


function PassNumb(sCheck) {
   var sChar
   var sTest = "N"
    for (var i = 0; i < sCheck.length; i++)  {
      sChar = sCheck.substring(i, i + 1);
      if (sChar != "." && (sChar < "0" || sChar > "9")) {
        sTest = "Y";
     }
    }
   if (sTest == "Y") {
      alert ("What you entered is not a number.");
   }
}  

function validnum(a){
if( (isNaN(a)) || (a=="")){

  alert("Please enter a valid Length, Width, Max. Depth, and Avg. Depth!");
  a.value = '';
  a.focus();   
   return false;
}
//no need to catch for empty value it will be catched by isNaN function
return true;
}

function Calcpond() {

 var obj = document.forms[0];
 //for(var i=2;i<obj.elements.length;i++){
 		for(var i=2;i<5;i++){
 		
     if (!validnum(document.forms[0].elements[i].value)){  
		 		   
        return false;
       break;
     }
	}

 

 		var nFactor = 0;
		var nRect=0;
    var nOval=0;
		var nDiameterA = 0;
		var nDiameterB = 0;
		var nMaxdepth = 0;
		var nAvgdepth = 0;
		var nArea = 0;
		var nVolume = 0;
  	var nLinerwidth = 0;
		var nLinerlength = 0;
		var nFilter = 0;
		var nPump = 0;
		var nMyump = 0;
		var nRadiusA = 0;
		var nRadiusB = 0;
		var nPerimeter = 0;
		var nLily = 0;
		var nMinOxy = 0;
		var nIfishs = 0;
		var nMfishs = 0;
		var nIfish = 0;
		var nMfish = 0;
	
		nRect =document.in_form.elements[0].checked;
		nOval =document.in_form.elements[1].checked;
		//nFactor for US Gallons = 7.48
		if (nRect ==true) {
			var nFactor=6.23;
		}
		if (nOval ==true) {
       var nFactor=6.23;
		}

	nDiameterA = parseFloat(document.in_form.elements[2].value);
    nDiameterB =  parseFloat(document.in_form.elements[3].value);
    nMaxdepth = parseFloat(document.in_form.elements[4].value);
    nAvgdepth = parseFloat(document.in_form.elements[5].value);
    nMypump = parseFloat(document.in_form.elements[6].value);
	

    nRadiusA = nDiameterA / 2;
    nRadiusB = nDiameterB / 2;
		//nArea = Math.round(nRadiusA * nRadiusB * Math.PI)
		nArea = Math.round(nDiameterA * nDiameterB);
//    nVolume = Math.round(nArea * nAvgdepth * 6.23)
    nVolume = Math.round(nDiameterA * nDiameterB * nAvgdepth * nFactor);
	nUsvolume = Math.round(nVolume * 1.201);
    nLinerwidth = Math.ceil(nDiameterB + (2 * nMaxdepth) + 4);
    nLinerlength = Math.ceil(nDiameterA + (2 * nMaxdepth) + 4);
    nFilter = Math.ceil(nVolume * .03);
   // nPump = Math.ceil(nVolume / 2);
	 nPump = Math.ceil(nVolume * 1.5);
	 nMypumpout = Math.ceil(nVolume * nMypump); 
    //nPerimeter = Math.ceil(Math.PI * Math.sqrt(2 * ((nRadiusA * nRadiusA) + (nRadiusB * nRadiusB))));
    nLily = Math.round((nArea / 10) * .60);
    nMinOxy = Math.round(nArea / 2);
	nMfishs = Math.sqrt(((nVolume / 10) * 231) / 2);
	nMfish = Math.round(nMfishs * 1);
	nIfishs = Math.sqrt(((nVolume / 20) * 231) / 2);
	nIfish = Math.round(nIfishs * 1); 	
    document.out_form.elements[0].value = nVolume;
	document.out_form.elements[1].value = nUsvolume;
 	document.out_form.elements[2].value = nArea;
    document.out_form.elements[3].value = nLinerwidth;
    document.out_form.elements[4].value = nLinerlength;
  	document.out_form.elements[5].value = nPump;
	document.out_form.elements[6].value = nMypumpout;
	document.out_form.elements[7].value = nIfish;
	document.out_form.elements[8].value = nMfish;
if (nAvgdepth > nMaxdepth) {
	alert("Average Depth cannot be more than Max Depth");
}
	
} 
-->