<!--
function validateRoom(){ 
	var strNumLong = document.calculate_tool.numLong.value;
	var strNumBroad = document.calculate_tool.numBroad.value;
	
	var wText=strNumBroad
	var vText=strNumLong
    var vN=vText.lastIndexOf(".")
	var wN=vText.indexOf(".")
	var vM=wText.lastIndexOf(".")
	var wM=wText.indexOf(".")
	
	if (strNumLong ==""){
		alert("Input Size of long:");
		return false;
	}
	
	if (strNumBroad ==""){
		alert("Input Size of broad:");
	return false;
	}

	if (strNumBroad<=0.01 || strNumLong<=0.01){
		alert("Number you input is too small please check");
	return false;
	}
	if (strNumBroad>1000000 || strNumLong>1000000){
		alert("Number you input is too big please check");
	return false;
   }
    if((ValidLong(strNumLong))==-1){
		alert("Number you input Invalid!");
		return false;
	}
	if((ValidBroad(strNumBroad))==-1){
		alert("Number you input Invalid!");
		return false;
	}
	
        if (vM != wM ){
	    alert("Please check decimal point!");
	    return false;
	}
	
	
		
}

function ValidLong(strNumLong){
   var ValidChars = "0123456789.";
   var Valid=1;
   var Char;
   for (i = 0; i < strNumLong.length && Valid == 1; i++) { 
      Char = strNumLong.charAt(i); 
      if (ValidChars.indexOf(Char) == -1){
         Valid = -1;
      }
   }
   return Valid;
}
function ValidBroad(strNumBroad){
   var ValidChars = "0123456789.";
   var Valid=1;
   var Char;
   for (i = 0; i < strNumBroad.length && Valid == 1; i++) { 
      Char = strNumBroad.charAt(i); 
      if (ValidChars.indexOf(Char) == -1){
         Valid = -1;
      }
   }
   return Valid;
}
-->