//Trims a string from both sides
function strTrim(tmpStr)
{
tmpStr = tmpStr.replace(/^\s+/,"");//remove leading
tmpStr = tmpStr.replace(/\s+$/,"");//remove trailing
return tmpStr;
}
//Trims all fields in a form
function trimFields()
{
for(var i=0; i < obj.elements.length; i++)
{
if(obj.elements[i].type == "text" || obj.elements[i].type == "textarea" || obj.elements[i].type == "password")
{
obj.elements[i].value = strTrim(obj.elements[i].value);
}
}
}
//Checks email against pattern
function chkEmail(tmpStr)
{
var email_pat = /^[a-z][a-z0-9_\.\-']*[a-z0-9]@[a-z0-9]+[a-z0-9\.\-_]*\.[a-z]{2,}$/i;
return(email_pat.test(tmpStr))
}
//Checks validity of date fields
function chkDate(tmpStr)
{
var dt_pat = /^\d{2,2}\/\d{2,2}\/\d{4,4}$/;
if(!dt_pat.test(tmpStr))
{
return false;
}
var dtGiven = new Date(tmpStr);
var arrDt = tmpStr.split("/");
var dtMon = parseInt(arrDt[0]);
var dtDay = parseInt(arrDt[1]);
var dtYear = parseInt(arrDt[2]);
if((dtGiven.getMonth() != dtMon - 1) || (dtGiven.getDate() != dtDay) || (dtGiven.getFullYear() != dtYear))
{
return false;
}
return true;
}
//Validates text-area length
function chkTxtLen(strField, cntlName, maxChar)
{
if(obj.elements[cntlName].value.length > maxChar)
{
alert(strField+" should be within "+maxChar+" characters.");
obj.elements[cntlName].focus();
obj.elements[cntlName].select();
return false;
}
return true;
}
//-------------------------------------------------------------------------
function openPictureWindow(imagePath,alt)
{
var optIE='scrollbars=no,width=150,height=100,left='+100+',top='+100;
newWindow = window.open("","newWindow",optIE);
//var width,height;
var doc = newWindow.document;
doc.open();
doc.write('\n');
doc.write('\n');
doc.write(''+alt+'\n');
doc.write('\n');
doc.write('\n');
doc.write('\n');
doc.write('\n');
doc.write('![](\"'+imagePath+'\"alt='+alt+'\n\"Double-click)
\n');
doc.write('\n');
doc.write('\n');
doc.close();
newWindow.focus();
}