function checkNum(keyCode) { if(keyCode==8 || keyCode==13) return true; if(keyCode<48 || keyCode>57) { alert("Enter Numbers Only"); return false; } return true; } function ltrim ( s ) { return s.replace( /^\s*/, "" ); } function rtrim ( s ) { return s.replace( /\s*$/, "" ); } function trim ( s ) { return rtrim(ltrim(s)); } function isValidEmail(email){ var invchar=" ~`!#%^&*()+={}[];:'\|,<>?/\ "; if (email.length == 0){ alert("You must enter email address" ) return false; }else{ if((email.indexOf("@")== -1)||(email.indexOf("@")!=email.lastIndexOf("@"))||(email.indexOf("@")==0)||(email.indexOf(".")== -1)||(email.indexOf(".") <= email.indexOf("@")+1)||email.indexOf(".")==email.length-1){ alert("Enter valid email address"); return false; } else { var i=0; var ch; while ((i< email.length)){ ch=email.charAt(i); i++; if(invchar.indexOf(ch)!= -1) break; } if(i=0 && charAta<=9) || (charAta>='A' && charAta<='Z') || (charAta>='a' && charAta<='z') || (charAta=='_') )) { alert("Enter valid username"); return false; } } } function popUpWindow(popStr,imgName,title){ var w=window.open("popup","","width=398,height=127"); w.document.write(""+title+""); w.document.write(""); w.document.write(""); w.document.write(""); w.document.write(""); w.document.write("
"+popStr+"
"); w.document.close(); w.focus(); } function checkDet(keyCode) { if(keyCode==32) return false; else if((keyCode>=48 && keyCode<=57) || (keyCode>=97 && keyCode<=122) || (keyCode>=65 && keyCode<=90) || keyCode==45 || keyCode==95) return true; else return false; }