function Answer_Question(){
var ans;
ans=document.estimate_costing;
PageIndex2=ans.faqs.selectedIndex; 

if(document.estimate_costing.faqs.selectedIndex==0){
var input_box1=confirm("answering...Question (1): What are preliminaries?");
if (input_box1==false){ 
   return false;
}
ans.tarea3.value+=("\n\nQuestion (1): What are preliminaries?\n"+" Answer: Preliminaries a item included in construction work\n"
                  +" to assist in the process and progress of construction works, it may be cost related,\n"
				  +" time related, a lump Sum or a combination of these, but does not form a physical part\n"
				  +" of a structure e.g. are listed under preliminary headings in the Activity box.\n\n"
				  +" Preliminaries ranges between 10% to 25% in building projects and is base on the nature and complexity"
				  +" of  the project weather large are small.\n" 
                  +"In Civil Engineer Projects such as road construction and rehabiliation, preliminaries ranges form as low"
				  +" as 6% to a high of 25%.\n");
}
else if(document.estimate_costing.faqs.selectedIndex==1){
var input_box2=confirm("answering...Question (2): What are Provisional Sums?");
if (input_box2==false){ 
   return false;
}
ans.tarea3.value+=("\n\nQuestion (2): What are Provisional Sums?\n"+" Answer: Provisional sum are included in a contract for work cannot be\n"
                  +" properly ascertained and can be changed after a final re-measurement of a work e.g. Structure\n"
				  +" items such as item which cannot be measured on drawings such is Quantity of rock or Utility Services\n"
				  +" which has be discovered underground which need to be relocated to complete construction works.\n");
}
else if(document.estimate_costing.faqs.selectedIndex==2){
var input_box3=confirm("answering...Question (3): What is a Provisional Sum?");
if (input_box3==false){ 
   return false;
}
ans.tarea3.value+=("\n\nQuestion (3): What is Prime Cost Sum?\n"+" Answer: Prime Cost Sum is included in a contract for specialist\n"
                  +" works and also for the supply of materials. This entails, the employment of a subcontractor\n"
				  +" that specialized in certain construction works e.g. Electrical Installation, Mechanical Installation,\n"
				  +" Roofing, Interior decorating works. \n");
}
else if(document.estimate_costing.faqs.selectedIndex==3){
var input_box4=confirm("answering...Question (4): What is Contingency Sum?");
if (input_box4==false){ 
   return false;
}
ans.tarea3.value+=("\n\nQuestion (4): What is Contingency Sum?\n"+" Answer: Contingency sum are sum set aside to be used for work\n"
                  +" which could be a ascertained in pre-contract works and act a sum for unforeseen work\n"
				  +" which might occur which was not accounted for to complete the work. This is normal range\n"
				  +" between 5% - 20% of Construction cost and can amount to a considerable number of Variations.\n");
}
else if(document.estimate_costing.faqs.selectedIndex==4){
var input_box5=confirm("answering...Question (5): What are Variations?");
if (input_box5==false){ 
   return false;
}
ans.tarea3.value+=("\n\nQuestion (5): What are Variations?\n"+" Answer: Variations are the addition or omission in quantity,\n"
                  +" prices, quality and standard of both material and labour. This will occur in regular\n"
				  +" and complex construction works.\n");
}
else if(document.estimate_costing.faqs.selectedIndex==5){
var input_box6=confirm("answering...Question (6): What are Fluctuations?");
if (input_box6=false){ 
   return false;
}
ans.tarea3.value+=("\n\nQuestion (6): What are Fluctuations?\n"+" Answer: Fluctuation is the increase or decrease in prices of basic material,\n"
                  +" labour and equipment component and is based on a formula. In normal cases fluctuation can be,\n"
				  +" 3% - 5% of total construction cost excluding preliminaries, Prime cost and Provisional Sums.\n");
}
else{
alert("[INVALID SELECTION]");
}
}