function keyAlphaNumeric(e) {
	keycode = window.event.keyCode;
	if (e==0) {//Allow only Numeric
		if (keycode<48){ window.event.keyCode = ''; }
		if (keycode>57){ window.event.keyCode = '';	}
	}
	if (e==1) {  // Allow only Numeric with dot(.) sign
		if (keycode<48){ window.event.keyCode = ''; }
		if (keycode>57){ window.event.keyCode = '';	}
		if (keycode==46){ window.event.keyCode = keycode; }
	}
	if (e==2) {  // Allow only Numeric with add(+) sign
		if (keycode<48){ window.event.keyCode = ''; }
		if (keycode>57){ window.event.keyCode = '';	}
		if (keycode==43){ window.event.keyCode = keycode;}
	}
	if (e==3) {//Allow only Numeric with hypen(-) sign
		if (keycode<48){ window.event.keyCode = ''; }
		if (keycode>57){ window.event.keyCode = '';	}
		if (keycode==109){ window.event.keyCode = keycode;}
	}
	
	if (e==4) {//Allow only letters
		if (keycode<65){ window.event.keyCode = '';	}
		if (keycode>122){window.event.keyCode = '';	}
	}
	if (e==5) {  // Numeric with colon(:) sign
		if (keycode<48){ window.event.keyCode = ''; }
		if (keycode>57){ window.event.keyCode = '';	}
		if (keycode==58){ window.event.keyCode = keycode;}
	}
	
}
//create input text box
function loadTextbox() {
var mylist=document.getElementById("ddlInfo");
var mylistvalue=mylist.options[mylist.selectedIndex].value;

	if (mylistvalue==2 || mylistvalue==3 || mylistvalue==8 ){
		textArea.innerHTML = "<input type='text' name='txtInfo'>";
	}
	else { textArea.innerHTML = ""; }
}

function isNumber(num)
{
	if(!(num>=48 && num<=57))
	{
		return false;
	}
	return true;
}