function emailvalidation(entered,alertbox){with(entered){apos=value.indexOf("@");dotpos=value.lastIndexOf(".");lastpos=value.length-1;if(apos<1||dotpos-apos<2||lastpos-dotpos>3||lastpos-dotpos<2){if(alertbox){alert(alertbox);}return false;}else{return true;}}}function urlvalidation(entered,alertbox){with(entered){apos=value.indexOf(".");dotpos=value.lastIndexOf(".");lastpos=value.length-1;if(apos<1||dotpos-apos<2||lastpos-dotpos>3||lastpos-dotpos<2){if(alertbox){alert(alertbox);}return false;}else{return true;}}}function valuevalidation(entered,min,max,alertbox,datatype){with(entered){checkvalue=parseFloat(value);if(datatype){smalldatatype=datatype.toLowerCase();if(smalldatatype.charAt(0)=="i"){checkvalue=parseInt(value)};}if((parseFloat(min)==min&&checkvalue<min)||(parseFloat(max)==max&&checkvalue>max)||value!=checkvalue){if(alertbox!=""){alert(alertbox);}return false;}else{return true;}}}function digitvalidation(entered,min,max,alertbox,datatype){with(entered){checkvalue=parseFloat(value);if(datatype){smalldatatype=datatype.toLowerCase();if(smalldatatype.charAt(0)=="i"){checkvalue=parseInt(value);if(value.indexOf(".")!=-1){checkvalue=checkvalue+1}};}if((parseFloat(min)==min&&value.length<min)||(parseFloat(max)==max&&value.length>max)||value!=checkvalue){if(alertbox!=""){alert(alertbox);}return false;}else{return true;}}}function emptyvalidation(entered,alertbox){with(entered){if(value==null||value==""||value==" "){if(alertbox!=""){alert(alertbox);}return false;}else{return true;}return true;}}