function 
IsEmailValid(FormName,ElemName){
	var EmailOk = true;
	var Temp   = document.forms[FormName].elements[ElemName];
	var AtSym  = Temp.value.indexOf('@');
	var AtSym1 = Temp.value.lastIndexOf('@');
	var Period = Temp.value.lastIndexOf('.');
	var Space  = Temp.value.indexOf(' ');
	var Length = Temp.value.length - 1;
	if((AtSym < 1) || (Period <= AtSym+1) || (Period == Length) || (Space != -1) || (AtSym != AtSym1)) {
		EmailOk = false;
		alert('Please enter a valid e-mail ID! eg. yourname@domain.com');
		Temp.focus();
	}
return EmailOk;
}

function chkNumeric(strString)
   //  check for valid numeric strings	
   {
   var strValidChars = "0123456789.-";
   var strChar;
   var blnResult = true;

   if (strString.length == 0) return false;

   //  test strString consists of valid characters listed above
   for (i = 0; i < strString.length && blnResult == true; i++)
      {
      strChar = strString.charAt(i);
      if (strValidChars.indexOf(strChar) == -1)
         {
         blnResult = false;
         }
      }
   return blnResult;
   }

function LTrim(str){
	if (str==null){return null;}
	for(var i=0;str.charAt(i)==" ";i++);
	return str.substring(i,str.length);
	}

function RTrim(str){
	if (str==null){return null;}
	for(var i=str.length-1;str.charAt(i)==" ";i--);
	return str.substring(0,i+1);
	}

function Trim(str){return LTrim(RTrim(str));}

function makesnake() {
	if (flag==1 && document.all) {
    	for (i=message.length-1; i>=1; i--) {
   			xpos[i]=xpos[i-1]+step
			ypos[i]=ypos[i-1]
    	}
		xpos[0]=x+step
		ypos[0]=y
	
		for (i=0; i<message.length-1; i++) {
    		var thisspan = eval("span"+(i)+".style")
    		thisspan.posLeft=xpos[i]
			thisspan.posTop=ypos[i]
    	}
	}
	
	else if (flag==1 && document.layers) {
    	for (i=message.length-1; i>=1; i--) {
   			xpos[i]=xpos[i-1]+step
			ypos[i]=ypos[i-1]
    	}
		xpos[0]=x+step
		ypos[0]=y
	
		for (i=0; i<message.length-1; i++) {
    		var thisspan = eval("document.span"+i)
    		thisspan.left=xpos[i]
			thisspan.top=ypos[i]
    	}
	}
		var timer=setTimeout("makesnake()",30)
}