function openPictureWindow(imageName, imageWidth, imageHeight, alt) {
var windowHeight=parseInt(imageHeight)+35;
// calculate position on screen - hopefully, the center of the screen
posLeft=(screen.width/2)-(imageWidth/2);
posTop=(screen.height/2)-(windowHeight/2);
// show image
newWindow=window.open("", "newWindow", "width="+imageWidth+",height="+windowHeight+",scrollbars=no,left="+posLeft+",top="+posTop);
newWindow.document.open();
newWindow.document.write(''+alt+'');
newWindow.document.write('![\"'+alt+'\"](\"'+imageName+'\")
');
newWindow.document.write('');
newWindow.document.write('Click to close window...
');
newWindow.document.write('
');
newWindow.document.write('');
newWindow.document.close();
newWindow.focus();
}
function validatesearch() {
// function to validate the products search form
if(trim(document.frmSearch.txtSearch.value)=="") { return false; }
}
function validate_email(field) {
// function to validate an email address
with(field) {
apos=value.indexOf("@")
dotpos=value.lastIndexOf(".")
if(apos<1||dotpos-apos<2)
{ return false }
else
{ return true }
}
}
function isValidDate(dateStr, format) {
// function to validate a date
if(format==null) { format="MDY"; }
format=format.toUpperCase();
if(format.length!=3) { format="MDY"; }
if((format.indexOf("M")== -1)||(format.indexOf("D")== -1)||(format.indexOf("Y")== -1)) { format="MDY"; }
if(format.substring(0, 1)=="Y") { // If the year is first
var reg1=/^\d{2}(\-|\/|\.)\d{1,2}\1\d{1,2}$/
var reg2=/^\d{4}(\-|\/|\.)\d{1,2}\1\d{1,2}$/
} else if(format.substring(1, 2)=="Y") { // If the year is second
var reg1=/^\d{1,2}(\-|\/|\.)\d{2}\1\d{1,2}$/
var reg2=/^\d{1,2}(\-|\/|\.)\d{4}\1\d{1,2}$/
} else { // The year must be third
var reg1=/^\d{1,2}(\-|\/|\.)\d{1,2}\1\d{2}$/
var reg2=/^\d{1,2}(\-|\/|\.)\d{1,2}\1\d{4}$/
}
// If it doesn't conform to the right format (with either a 2 digit year or 4 digit year), fail
if((reg1.test(dateStr)==false)&&(reg2.test(dateStr)==false)) { return false; }
var parts=dateStr.split(RegExp.$1); // Split into 3 parts based on what the divider was
// Check to see if the 3 parts end up making a valid date
if(format.substring(0, 1)=="M") { var mm=parts[0]; } else if(format.substring(1, 2)=="M") { var mm=parts[1]; } else { var mm=parts[2]; }
if(format.substring(0, 1)=="D") { var dd=parts[0]; } else if(format.substring(1, 2)=="D") { var dd=parts[1]; } else { var dd=parts[2]; }
if(format.substring(0, 1)=="Y") { var yy=parts[0]; } else if(format.substring(1, 2)=="Y") { var yy=parts[1]; } else { var yy=parts[2]; }
if(parseFloat(yy)<=50) { yy=(parseFloat(yy)+2000).toString(); }
if(parseFloat(yy)<=99) { yy=(parseFloat(yy)+1900).toString(); }
var dt=new Date(parseFloat(yy), parseFloat(mm)-1, parseFloat(dd), 0, 0, 0, 0);
if(parseFloat(dd)!=dt.getDate()) { return false; }
if(parseFloat(mm)-1!=dt.getMonth()) { return false; }
return true;
}
function trim(stringToTrim) {
return stringToTrim.replace(/^\s+|\s+$/g, "");
}
function ltrim(stringToTrim) {
return stringToTrim.replace(/^\s+/, "");
}
function rtrim(stringToTrim) {
return stringToTrim.replace(/\s+$/, "");
}
function PageRedirect(strPage, strTime) {
setTimeout('window.location = "'+strPage+'"', strTime);
}
function MsgBox(tMsg) {
alert(tMsg);
}
function MsgOkCancel() {
return confirm('Are you sure?');
}
function MsgOkCancel_Custom(tMsg) {
return confirm(tMsg);
}
function change(frmSelect) {
// makes form submit when combo box changes
frmSelect.submit();
}