text: function defineAction(str){
  
  
      if(str=='Format'){
           window.document.plasmidMap.target = "";
  	 		window.document.plasmidMap.action="/PlasMapper/jsp/format.jsp";
        }
        else if(str=="TextOutput"){
  	result = window.open("/PlasMapper/html/dummy.html", "result","toolbar=1,width=900,height=600,top=0,left=0, status=1,location=1,menubar=1,scrollbars=1,resizable=1" );
          window.document.plasmidMap.target = "result";
          result.focus();
  
  	window.document.plasmidMap.action="/PlasMapper/servlet/TextMap";
  
  	}
  	 else if(str=="Genbank"){
  	result = window.open("/PlasMapper/html/dummy.html", "result","toolbar=1,width=900,height=600,top=0,left=0, status=1,location=1,menubar=1,scrollbars=1,resizable=1" );
          window.document.plasmidMap.target = "result";
          result.focus();
  
  	window.document.plasmidMap.action="/PlasMapper/servlet/GenbankOutput";
  
  	}
  	else{
  	result = window.open("/PlasMapper/html/dummy.html", "result","toolbar=1,width=900,height=600,top=0,left=0, status=1,location=1,menubar=1,scrollbars=1,resizable=1" );
              window.document.plasmidMap.target = "result";
              result.focus();
  
                  window.document.plasmidMap.action="/PlasMapper/servlet/DrawVectorMap";
  
  
  	   }
  
  
  }
  
  function openLibrary(){
  
   a_vendor = this.document.plasmidMap.vendor.options[this.document.plasmidMap.vendor.selectedIndex].value;
  
    window.location.href='/PlasMapper/jsp/library.jsp?vendor=' + a_vendor;
  
  }
  
  function displayHelp() {
   help = window.open("/PlasMapper/html/help.html", "help","toolbar=1,width=900,height=600,top=0,left=0, status=1,location=1,menubar=1,scrollbars=1,resizable=1");
    help.focus();
  
  
  }
  
  function validateFormat(){
  
    var seqValue = window.document.plasmidMap.sequence.value;
  
    if(seqValue == null || seqValue.length == 0){
  	alert("You should paste a DNA sequence into the text window before you format");
  	return false;
    }
      return true;
  
  }
  
  function validateSubmit(){
  
    var fileValue = window.document.plasmidMap.fastaFile.value;
    var seqValue = window.document.plasmidMap.sequence.value;
  
    if(fileValue == null || fileValue.length == 0){
  
         if(seqValue == null || seqValue.length == 0){
  
  	       alert("Please select a desired DNA sequence file or paste a DNA sequence into the DNA text window");
  	       return false;
         }
     }
     else{
  
         if(seqValue == null || seqValue.length == 0)
  		    //return true;
  	  valiedateUserFeature();
  
         else{
  	       alert("You cannot process a sequence file and a sequence in the text window at the same time");
  	       return false;
         }
    }
  
    //return true;
  	return valiedateUserFeature();
  }
  
  
  function valiedateUserFeature() {
  
  	if(window.document.plasmidMap.featureName1.value != "" && window.document.plasmidMap.featureName1.value.length != 0){
  
  		if(window.document.plasmidMap.start1.value == "" || window.document.plasmidMap.start1.value.length == 0){
  	                 alert("Please fill in the start position of the user defined feature1");
  	                 return false;
  	         }
  	        else if(checkNumber(window.document.plasmidMap.start1.value) == false){
  	                 alert("The start position of the user defined feature1 is not a valid number");
  	                 return false;
  	        }
  		if(window.document.plasmidMap.stop1.value == "" || window.document.plasmidMap.stop1.value.length == 0){
  	                 alert("Please fill in the stop position of the user defined feature1");
  	                 return false;
  	         }
  	        else if(checkNumber(window.document.plasmidMap.stop1.value) == false){
  	                 alert("The stop position of the user defined feature1 is not a valid number");
  	                 return false;
  	        }
  	}
  	if(window.document.plasmidMap.featureName2.value != "" && window.document.plasmidMap.featureName2.value.length != 0){
  
  		if(window.document.plasmidMap.start2.value == "" || window.document.plasmidMap.start2.value.length == 0){
  	                 alert("Please fill in the start position of the user defined feature2");
  	                 return false;
  	         }
  	        else if(checkNumber(window.document.plasmidMap.start2.value) == false){
  	                 alert("The start position of the user defined feature2 is not a valid number");
  	                 return false;
  	        }
  		if(window.document.plasmidMap.stop2.value == "" || window.document.plasmidMap.stop2.value.length == 0){
  	                 alert("Please fill in the stop position of the user defined feature2");
  	                 return false;
  	         }
  	        else if(checkNumber(window.document.plasmidMap.stop2.value) == false){
  	                 alert("The stop position of the user defined feature2 is not a valid number");
  	                 return false;
  	        }
  	}
  	if(window.document.plasmidMap.featureName3.value != "" && window.document.plasmidMap.featureName3.value.length != 0){
  
  		if(window.document.plasmidMap.start3.value == "" || window.document.plasmidMap.start3.value.length == 0){
  	                 alert("Please fill in the start position of the user defined feature3");
  	                 return false;
  	         }
  	        else if(checkNumber(window.document.plasmidMap.start3.value) == false){
  	                 alert("The start position of the user defined feature3 is not a valid number");
  	                 return false;
  	        }
  		if(window.document.plasmidMap.stop3.value == "" || window.document.plasmidMap.stop3.value.length == 0){
  	                 alert("Please fill in the stop position of the user defined feature3");
  	                 return false;
  	         }
  	        else if(checkNumber(window.document.plasmidMap.stop3.value) == false){
  	                 alert("The stop position of the user defined feature3 is not a valid number");
  	                 return false;
  	        }
  	}
  		if(window.document.plasmidMap.featureName4.value != "" && window.document.plasmidMap.featureName4.value.length != 0){
  
  		if(window.document.plasmidMap.start4.value == "" || window.document.plasmidMap.start4.value.length == 0){
  	                 alert("Please fill in the start position of the user defined feature4");
  	                 return false;
  	         }
  	        else if(checkNumber(window.document.plasmidMap.start4.value) == false){
  	                 alert("The start position of the user defined feature4 is not a valid number");
  	                 return false;
  	        }
  		if(window.document.plasmidMap.stop4.value == "" || window.document.plasmidMap.stop4.value.length == 0){
  	                 alert("Please fill in the stop position of the user defined feature4");
  	                 return false;
  	         }
  	        else if(checkNumber(window.document.plasmidMap.stop4.value) == false){
  	                 alert("The stop position of the user defined feature4 is not a valid number");
  	                 return false;
  	        }
  	}
  	return true;
  
  
  }
  
  function checkNumber(TheNumber) {
  
  	var GoodChars = "0123456789"
  	var i = 0
  	if (TheNumber=="") {
  		// Return false if number is empty
  		return false;
  	}
  	for (i =0; i <= TheNumber.length -1; i++) {
  		if (GoodChars.indexOf(TheNumber.charAt(i)) == -1) {
  			return false;
  		}
  	}
  	return true;
  }
  