function isDigit(s)
{
	var test=""+s;
	if(test=="0"||test=="1"||test=="2"||test=="3"||test=="4"||test=="5"||test=="6"||test=="7"||test=="8"||test=="9") {
		return(true) ;
	}
	return(false);
}

function allDigit(s)
{
	var test=""+s ;
	for (var k=0; k <test.length; k++) {
		var c=test.substring(k,k+1);
		if (isDigit(c)==false) {
			return (false);
		}
	}
	return (true);
}

function checkproqty(fname,qty,type)
{
	if (fname.value == "") {
		alert("Please enter a value for this field.");
		fname.focus();
		return (false);
	}
	if (allDigit(fname.value) == false) {
		alert("Please enter a right integer value for this field.");
		fname.focus();
		return (false);
	}
	if ((qty > 0) && (eval(fname.value) != 0) && (type==1)) {
		TempValue=eval(fname.value);
		TempV1=(TempValue/qty);
		TempV1a=TempValue*TempV1;
		TempV2=Math.round(TempValue/qty);
		TempV2a=TempValue*TempV2;
		if ((TempV1a != TempV2a) || (TempV1<1)) {
			alert(alert_3 + qty);
			fname.focus();
			return (false);
		}
	}
	else {
		if ((qty > 0) && (eval(fname.value) != 0) && (type==0)) {
			TempValue=eval(fname.value);
			if (TempValue < qty) {
				alert(alert_8 + " " + qty + " " + alert_9);
				fname.focus();
				return (false);
			}
		}
	}
	return (true);
}

/*
Clear default form value script- By Ada Shimar (ada@chalktv.com)
Featured on JavaScript Kit (http://javascriptkit.com)
Visit javascriptkit.com for 400+ free scripts!
*/

function clearText(thefield){
	if (thefield.defaultValue==thefield.value)
		thefield.value = ""
}