//Trim a string from both ends
function strTrim(tmpStr)
{
tmpStr = tmpStr.replace(/^\s+/,"");//remove leading
tmpStr = tmpStr.replace(/\s+$/,"");//remove trailing
return tmpStr;
}
//Trims all fields in a form
function trimFields()
{
for(var i=0; i < obj.elements.length; i++)
{
if(obj.elements[i].type == "text" || obj.elements[i].type == "textarea" || obj.elements[i].type == "password")
{
obj.elements[i].value = strTrim(obj.elements[i].value);
}
}
}
//Email pattern check
function chkEmail(tmpStr)
{
var email_pat = /^[a-z][a-z0-9_\.\-]*[a-z0-9]@[a-z0-9]+[a-z0-9\-_]*\.[a-z0-9]+[a-z0-9\.\-_]*[a-z]+$/i;
return(email_pat.test(tmpStr))
}
//Checks URL against pattern
function chkURL(tmpStr)
{
var url_pat = /^(http|https|ftp):\/\/([\w-]+\.)+[\w-]+(\/[\w-\.\/?%&,=#@\/:]*)?/;
return(url_pat.test(tmpStr));
}
function refreshCaptcha(imgid)
{
var img = new Image();
img.src = 'captcha/show_captcha.php?hash='+parseInt(Math.random() * 10000000000);
document.getElementById(imgid).src = img.src;
}
//Opens a new window showing the uploaded image
function viewImage(imgFile)
{
imgURL = imgFile;
newWindow = window.open("","newWindow","titlebar=no,width=50,height=50,left=375,top=225");
var doc = newWindow.document;
doc.open();
doc.write('\n');
doc.write('\n');
doc.write('View Image\n');
doc.write('\n');
doc.write('\n');
doc.write('\n');
doc.write('![\"File:](\"'+imgURL+'\")
\n');
doc.write('\n');
doc.write('\n');
newWindow.focus();
doc.close();
}
//Show New window
function showWindow(fName)
{
window.open(fName, '', 'width=600,height=400,left=250,scrollbars=0,top=150,toolbar=0,menubar=0,location=0');
}